OXA Fashion via Amazon offers its OXA Waterproof Packing Cubes 6-Piece Set in Blue for $19.99. Coupon code "9SZ2Q6W2" drops it to $13.79. Plus, Prime members bag free shipping. That's the lowest price we could find in any color by $18. The set includes four packing cubes, one shoe bag, and one laundry bag.

Prefer another color? OXA via Amazon has it in five more colors for $15.86 after the above coupon with free shipping for Prime members.