100% brand new and high quality Material: Food Grade Silicone Color: Milk White Mode: 03/04/05/06/07/08/09/10/11 This silicone plug is different from the general foam silicone plug, is a real food grade silicone plug, translucent, elastic, temperature resistance range from -60 to 250 Do not use it with too high temperature Clork 3 can be used with wine bottles and Coke bottles Clork 5 fits for 3L hydrochloric acid bottle Clork 10 can be used with purified water buckets(Bucket inner diameter 45mm) Clork 11 can be used with purified water buckets(Bucket inner diameter 48mm) Hole Diameter: 8mm Size: See the picture No Retail Package Quantity: 2Pcs Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 2 Pcs x Silicone Plug Rubber Stopper With Hole Airlock Valve Bubbler Wine Brew