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ecohub ® via Amazon [amazon.com] has 40L ECOHUB Water-Resistant Convertible Duffle Backpack w/ Shoe Compartment & Wet Pocket (various colors) on sale for $37.99 – 50% off when you apply promo code 2TI4M4EY at checkout = $18.99. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.