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Bags backpack family via Amazon [amazon.com] has for Prime Members: 40L Speedpark Lightweight Waterproof Ripstop Nylon Hiking Backpack w/ Rain Cover (Black or Royal Blue) on sale for $15.29 w/ code 84CFOSC2 at checkout. Shipping is free.

Available (prices after code):[LIST][*]Black [amazon.com] $15.29[*]A Royal Blue [amazon.com] $15.29