These are AWESOME lead shot Mesh Soft Weight Bags These fantastic weights feature: Bags constructed with heavy-duty nylon coated mesh fabric and double stitched for durability Weights are designed to fit easily into all weight-integrated BCs and weight belts Corrosion-resistant, lead shot filled bags that add no additional buoyancy Will also work in some standard pouch-style belts, but check before you buy, because the weights rectangular shape is not compatible with all pockets Lead shot is manufactured in the USA from recycled scrap lead Try these great weights on your next dive and save a ton of money!