SAFE MATERIAL: Our replacement gaskets are made of silicone rubber, durable and can be long time using, rubber material makes it soft and not easy to deformation, non toxic and safe for you to use. WASHABLE AND RESUABLE: These sealing rings are soft and smooth, they are easy to care for, when they need to be cleaned, you can simply add a little cleansing and wash them with warm water. COMPATIBILITY:The rubber gasket replacement is 8 cm in diameter, 3.2 mm height, a nice fit for the cross blades and flat blades for the Magic Bullet 250W model, please check the size before buying. MULTIPLE FUNCTION: White seal o ring is not only a better protection of the blender, but also plays a role in sealing, which can keep your ingredients inside your cups, can replace juicer or blender gasket. PACKAGE INCLUDED:Each package contains 6 pieces of rubber gasket replacement,enough quantity for you to replace or store for the next time using.Replace the old seal to keep your lid cleaning and leakproof. Specifications: Product fit: Magic Bullet only Color: Transparent White Material: Rubbler Diameter: 8cm/3.15inch Quantity: 6 PCS Net Weight: 15g Package Includes: 6 x Seal rings