This bag was designed using the same mesh used to make the trampolines on offshore catamarans. Bag will easily hold 100lbs and has been tested to 150lbs. It’s well made! Will keep Cannonballs from rolling around. Bag fits perfectly in a 5 gal bucket. drop in your weights, blast them clean with a hose or dunk bag into a bucket of soapy water and let the dry in the bag. Stores perfectly below decks in a center console.