How Our Sarnia Cross-Border Hub Works

Plug into your existing Shopify, Loop, or ReturnGO workflow in days—no custom IT project required. Start with return consolidation, or run a closed-loop Canadian fulfillment and local restock operation out of one facility.

Canadian returns in. One consolidated US shipment out.

STAGE 01

SLA: INSTANT

Automated Label & Country Routing

When a Canadian shopper initiates a return in Loop, ReturnGO, or Shopify, a simple country rule routes the shipment to our Sarnia, ON address instead of your US warehouse.

Shoppers drop parcels at 6,000+ local post offices

RMA & original US Order # sync automatically

LOOP / RETURNGO / SHOPIFY RULE

Shipping Country

Canada

Generate Canada Post / Purolator label to Sarnia, ON

Push RMA + original US Order # to Sarnia Hub

STAGE 02

SLA: 24–48 HRS OF ARRIVAL

Sarnia Dock Intake & Barcode Verification

SCANNER STATION · SARNIA, ON

RMA US-48291 · RECEIVED

Scan incoming tracking barcode

Match to RMA & original US Order #

Timestamp logged in client dashboard

As soon as Canada Post or Purolator delivers the parcel to our Sarnia dock, our team scans the barcode, verifies the SKU and quantity, and logs receipt—eliminating blind border transit delays.

STAGE 03

SLA: SAME DAY AS SCAN

Item-Level QC Grading & Instant Refund Trigger

Every returned unit is inspected against your custom SOPs and assigned a clear disposition grade:

Like-new

Ready for immediate resale.

Prep required

Needs polybag, folding, or relabeling.

Exception stock

Damaged, defective, or wrong item.

2 condition photos attach immediately so your team can approve refunds with total confidence.

EXAMPLE CLIENT DASHBOARD RECORD

Order #US-48291 · SKU: JKT-BLK-L

A — RESELLABLE

Img_1.jpg

Img_2.jpg

Ready for Refund / Exchange

Your CX team triggers the customer refund immediately—days or weeks before goods reach the US.

STAGE 04

SLA: CONTINUOUS

Smart Disposition — Local Restock OR Pallet Staging

SMART DISPOSITION RULES

PATH A · RETURN CONSOLIDATION

Staged on your dedicated Sarnia pallet / gaylord for US return.

PATH B · CLOSED-LOOP FULFILLMENT

Grade A/B items re-bagged and placed into Sarnia pick bins for Canadian orders—never crossing the border twice.

Based on your account setup, graded items take one of two margin-saving paths:

Return Consolidation Only: Items are sorted into your dedicated Sarnia gaylord/pallet until your scheduled dispatch threshold is reached.

Closed-Loop Canadian Fulfillment: Grade A & B items are prepped and inducted straight into your Sarnia pick bins to fulfill new Canadian orders in 1–3 days—saving two cross-border crossings.

STAGE 05

SLA: WEEKLY / BI-WEEKLY

Blue Water Bridge Customs & Bulk US Linehaul

Once your pallet hits its scheduled run (weekly, bi-weekly, or full skid), we shrink-wrap, weigh, and manifest every SKU alongside its original US Order # for HTSUS 9801.00.10 duty-free entry.

Crosses Blue Water Bridge to Port Huron, MI

Delivered via LTL/FTL straight to your US hub

Duty-free entry is subject to eligibility, supporting records, and your customs broker’s review.

PALLET MANIFEST & BOL PREVIEW

PALLET ID

SAR-BRAND-014

TOTAL UNITS

240

WEIGHT

410 lbs

CUSTOMS

HTSUS 9801.00.10

Foreign Shipper Declaration attached

ROUTE

Sarnia, ON

Port Huron, MI

FINAL DESTINATION

Your US Fulfillment Center

Canadian returns in. One consolidated US shipment out.

STAGE 01

SLA: INSTANT

Automated Label & Country Routing

When a Canadian shopper initiates a return in Loop, ReturnGO, or Shopify, a simple country rule routes the shipment to our Sarnia, ON address instead of your US warehouse.

Shoppers drop parcels at 6,000+ local post offices

RMA & original US Order # sync automatically

LOOP / RETURNGO / SHOPIFY RULE

Shipping Country

Canada

Generate Canada Post / Purolator label to Sarnia, ON

Push RMA + original US Order # to Sarnia Hub

STAGE 02

SLA: 24–48 HRS OF ARRIVAL

Sarnia Dock Intake & Barcode Verification

SCANNER STATION · SARNIA, ON

RMA US-48291 · RECEIVED

Scan incoming tracking barcode

Match to RMA & original US Order #

Timestamp logged in client dashboard

As soon as Canada Post or Purolator delivers the parcel to our Sarnia dock, our team scans the barcode, verifies the SKU and quantity, and logs receipt—eliminating blind border transit delays.

STAGE 03

SLA: SAME DAY AS SCAN

Item-Level QC Grading & Instant Refund Trigger

Every returned unit is inspected against your custom SOPs and assigned a clear disposition grade:

Like-new

Ready for immediate resale.

Prep required

Needs polybag, folding, or relabeling.

Exception stock

Damaged, defective, or wrong item.

2 condition photos attach immediately so your team can approve refunds with total confidence.

EXAMPLE CLIENT DASHBOARD RECORD

Order #US-48291 · SKU: JKT-BLK-L

A — RESELLABLE

Img_1.jpg

Img_2.jpg

Ready for Refund / Exchange

Your CX team triggers the customer refund immediately—days or weeks before goods reach the US.

STAGE 04

SLA: CONTINUOUS

Smart Disposition — Local Restock OR Pallet Staging

SMART DISPOSITION RULES

PATH A · RETURN CONSOLIDATION

Staged on your dedicated Sarnia pallet / gaylord for US return.

PATH B · CLOSED-LOOP FULFILLMENT

Grade A/B items re-bagged and placed into Sarnia pick bins for Canadian orders—never crossing the border twice.

Based on your account setup, graded items take one of two margin-saving paths:

Return Consolidation Only: Items are sorted into your dedicated Sarnia gaylord/pallet until your scheduled dispatch threshold is reached.

Closed-Loop Canadian Fulfillment: Grade A & B items are prepped and inducted straight into your Sarnia pick bins to fulfill new Canadian orders in 1–3 days—saving two cross-border crossings.

STAGE 05

SLA: WEEKLY / BI-WEEKLY

Blue Water Bridge Customs & Bulk US Linehaul

Once your pallet hits its scheduled run (weekly, bi-weekly, or full skid), we shrink-wrap, weigh, and manifest every SKU alongside its original US Order # for HTSUS 9801.00.10 duty-free entry.

Crosses Blue Water Bridge to Port Huron, MI

Delivered via LTL/FTL straight to your US hub

Duty-free entry is subject to eligibility, supporting records, and your customs broker’s review.

PALLET MANIFEST & BOL PREVIEW

PALLET ID

SAR-BRAND-014

TOTAL UNITS

240

WEIGHT

410 lbs

CUSTOMS

HTSUS 9801.00.10

Foreign Shipper Declaration attached

ROUTE

Sarnia, ON

Port Huron, MI

FINAL DESTINATION

Your US Fulfillment Center

Canadian returns in. One consolidated US shipment out.

STAGE 01

SLA: INSTANT

Automated Label & Country Routing

When a Canadian shopper initiates a return in Loop, ReturnGO, or Shopify, a simple country rule routes the shipment to our Sarnia, ON address instead of your US warehouse.

Shoppers drop parcels at 6,000+ local post offices

RMA & original US Order # sync automatically

LOOP / RETURNGO / SHOPIFY RULE

Shipping Country

Canada

Generate Canada Post / Purolator label to Sarnia, ON

Push RMA + original US Order # to Sarnia Hub

STAGE 02

SLA: 24–48 HRS OF ARRIVAL

Sarnia Dock Intake & Barcode Verification

SCANNER STATION · SARNIA, ON

RMA US-48291 · RECEIVED

Scan incoming tracking barcode

Match to RMA & original US Order #

Timestamp logged in client dashboard

As soon as Canada Post or Purolator delivers the parcel to our Sarnia dock, our team scans the barcode, verifies the SKU and quantity, and logs receipt—eliminating blind border transit delays.

STAGE 03

SLA: SAME DAY AS SCAN

Item-Level QC Grading & Instant Refund Trigger

Every returned unit is inspected against your custom SOPs and assigned a clear disposition grade:

Like-new

Ready for immediate resale.

Prep required

Needs polybag, folding, or relabeling.

Exception stock

Damaged, defective, or wrong item.

2 condition photos attach immediately so your team can approve refunds with total confidence.

EXAMPLE CLIENT DASHBOARD RECORD

Order #US-48291 · SKU: JKT-BLK-L

A — RESELLABLE

Img_1.jpg

Img_2.jpg

Ready for Refund / Exchange

Your CX team triggers the customer refund immediately—days or weeks before goods reach the US.

STAGE 04

SLA: CONTINUOUS

Smart Disposition — Local Restock OR Pallet Staging

SMART DISPOSITION RULES

PATH A · RETURN CONSOLIDATION

Staged on your dedicated Sarnia pallet / gaylord for US return.

PATH B · CLOSED-LOOP FULFILLMENT

Grade A/B items re-bagged and placed into Sarnia pick bins for Canadian orders—never crossing the border twice.

Based on your account setup, graded items take one of two margin-saving paths:

Return Consolidation Only: Items are sorted into your dedicated Sarnia gaylord/pallet until your scheduled dispatch threshold is reached.

Closed-Loop Canadian Fulfillment: Grade A & B items are prepped and inducted straight into your Sarnia pick bins to fulfill new Canadian orders in 1–3 days—saving two cross-border crossings.

STAGE 05

SLA: WEEKLY / BI-WEEKLY

Blue Water Bridge Customs & Bulk US Linehaul

Once your pallet hits its scheduled run (weekly, bi-weekly, or full skid), we shrink-wrap, weigh, and manifest every SKU alongside its original US Order # for HTSUS 9801.00.10 duty-free entry.

Crosses Blue Water Bridge to Port Huron, MI

Delivered via LTL/FTL straight to your US hub

Duty-free entry is subject to eligibility, supporting records, and your customs broker’s review.

PALLET MANIFEST & BOL PREVIEW

PALLET ID

SAR-BRAND-014

TOTAL UNITS

240

WEIGHT

410 lbs

CUSTOMS

HTSUS 9801.00.10

Foreign Shipper Declaration attached

ROUTE

Sarnia, ON

Port Huron, MI

FINAL DESTINATION

Your US Fulfillment Center

TECH & INTEGRATIONS

Plugs Into Your Existing Stack—Zero Heavy IT Required

LAYER 01

Your Storefront

Shopify / Shopify Plus

Loop Returns

ReturnGO / AfterShip

LAYER 02

Sarnia Hub Ops

Barcode RMA Receiving

2-Photo QC & Grading

Live Client Return & Inventory Dashboard

LAYER 03

Carriers & Customs

Canada Post

Purolator

Freightcom LTL

US/CA Customs Brokers

NEED CANADIAN CARRIER RATES?

Don’t have Canadian carrier rates yet? We can generate discounted domestic Canada Post and Purolator return labels under our Sarnia master accounts and bill at month-end.

7-DAY ONBOARDING

Go Live in Less Than One Week

DAYS 1–2

Account & Customs

Approve custom rate card

Share SKU master CSV with HTS codes & country of origin

Sign blanket 9801.00.10 Importer Declaration

DAYS 3–4

Portal & Routing

Add Sarnia hub address in Loop, ReturnGO, or Shopify

Set your Grade A/B/C rules

Run 1 test return label

DAY 5+

Live Receiving

Canadian returns arrive at our Sarnia dock

24–48 hr scans & photos

First consolidated US pallet ships on schedule

OPERATIONS & CX

Common Questions from Operations & CX Teams

LET’S WORK TOGETHER

Onboarding — Let’s Work Together

Getting started takes days, not months—with zero heavy IT integration required. Share your monthly Canadian return and order volumes, and our Sarnia team will build a custom rate card and routing plan for your brand.

info@twinbridgelogistics.com

Sarnia, Ontario, Canada