and high quality Material: Food Grade Silicone Color: Milk White Models: 03, 04, 05, 06, 07, 08, 09, 10, 11 This silicone plug is different from standard foam silicone plugs. Made from genuine food grade silicone, it is translucent, elastic, and resistant to temperatures ranging from -60°C to 250°C. Do not expose to excessively high temperatures. - Size 03 and 04 fit wine bottles and soda bottles - Size 05 fits 3L hydrochloric acid bottles - Size 10 fits purified water buckets with an inner diameter of 45mm - Size 11 fits purified water buckets with an inner diameter of 48mm Hole Diameter: 8mm Size: Refer to image Quantity: 2 pieces No retail packaging Note: Due to differences in monitor displays, the actual color of the item may vary slightly from the image. Package includes: 2 x Silicone Plug with Hole, Rubber Stopper, Airlock Valve, Bubbler for Wine Brewing