Can hold up to 20 pounds (9.1 kgs) of water and can easily be adjusted with visible 5-lbs and 2-liter graduations marks.

Made from thick PVC that is heat sealed to avoid leaks unlike other weights with sewn seams

Fits most backpacks and rucksacks with a capacity >14L

When empty it is only 8 oz and fold down to 10x6x1 inches. It easily fits inside your carry-on or suitcase allowing you to stay fit when traveling

Water Weights are 100% leak tested!

Handle included for bicep curls and other exercises, but can be removed to conform to smaller backpacks

Not for use with drinking water