The H2Old 16 oz. Base gel⢠absorbs up to 40 lb. of water to create a firm gel that can provide up to 400 lb. of weight to help support basketball hoops, umbrellas and more. This gel is made of super-absorbent polymer and is environmentally friendly. 16 oz. H2Old 16 oz Base gel, 1 Lb - Basketball Accessories at Academy Sports