FREE Shipping on orders over $25 shipped by Amazon. Only 6 left in stock - order soon. More Buying Choices. $20.78 (5 new offers) HELYZQ Fizz Keeper! Safe and Durable, Bottle Pump Caps,Bottle Stopper, Pump Bottle Dispenser Cap, Like A Wine Bottle Stopper,Drink Cap,Bottle Cap,Fizzy Sealer,Vacuum Soda Cap, Purple, 4.5 x 5 cm. 3.4 out of 5 stars.