40L Vancropak Expandable X-Large Travel Carry On Backpack (Black) $32 + Free Shipping w/ Prime or on $35+

Madalak via Amazon [amazon.com] has 40L Vancropak Expandable X-Large Travel Carry On Backpack (Black) on sale for $41.99 – $10 when you "clip" the coupon on product page = $31.99. Shipping is free w/ Amazon Prime or on orders $25+ or $35+ (minimum requirement varies by location)