TomTop offers this 40-Liter Water-Resistant Backpack in several colors (Black pictured) for $19.99 with free shipping. That's $26 off and the best price we could find. It features two main zippered compartments and adjustable shoulder straps. Deal ends June 30.

Note: This item ships from China and may take up to four weeks to arrive. The countdown timer on the product page does not reflect an actual expiration time and resets daily.