The Matein Vacuum Compression Travel Backpack is on sale for just $65 with a coupon you can apply prior to checkout. That's ...

This attractive and spacious knapsack has a large water bottle sleeve ... Amazon shoppers were incredibly impressed with this backpack. One said, "I love this bag," adding, "Lightweight and ...

The High Sierra Everclass Backpack is on sale for just $24 right ... bottle sleeves on either side of the bag. The back of the knapsack has a waterproof padded panel that keeps you comfortable ...

Knapsack problems are well-known puzzles in economics and computer science. You’re given a virtual backpack and a series of items of different weights and prices, and you need to figure out the ...

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The best backpack cooler will always be a useful piece of outdoor gear because most situations that call for a chilled beverage require the movement of cans, ice and more from point A to point B.

Kids Backpack: Spidey Kid school backpack great for ages 4 and up Spacious: Measures 15.25"x12.5"x5.25" with 12L Capacity School Ready: Features a padded tablet sleeve, a large zip-closure front ...