Durable material: Shark Shooter Chum Bag is made from heavy duty nylon coated material with weep holes. Sustained Attraction & Secure Closure: The chum bag is designed to slowly release baits into the water, ensuring a sustained attraction over time. It features a robust drawstring closure. Versatile Use: Chum bags are commonly used in both saltwater and freshwater fishing, and they can be employed from boats or piers. Two different colors: yellow and blue color. Two different sizes, : M size : Diameter 12 inch (30cm), height 22 inch (55cm) L size : Diameter 14 inch (36cm), height 28 inch (70cm) Weep holes diameter 0.55inch (14mm)