Uplift Equipment sandbags are ideal for functional training and various exercises. The durable bags are made from PVC surface + PU handles + inside EPE is covered. The filler bags feature hook-and-loop closures to prevent leaks. Sandbags come in four weight options: 10lbs, 20lbs, 30lbs, 40lbs, and a set of 4 sandbags totaling 100lbs.