• Can hold up to 20 pounds of water and can easily be adjusted with visible 5-lbs graduations marks. Made from thick PEVA that is heat sealed to avoid leaks unlike other weights with sewn seams
• Fits most backpacks and rucksacks with a capacity>40L for 2x Water Weights
• When empty it is only 10 oz and fold down to 12x6x1 inches. Allowing you to stay in shape when traveling
• BPA free plastic so it can be used with drinking water if kept clean
• Lifetime Guarantee that covers any manufacturing defects in materials and workmanship
• Includes a Tear-Aid Patch Type A (for each Water Weight) for the rare occurance of a puncture