Stanley Silicone Seal Kit Compatible with 30/40 oz for Cup Accessories Including 2 Straw Cover Cap

Package Contents: You will receive 6 reusable cup lid accessories, including 2 straw lids, 2 rectangular overflow plugs and 2 round overflow plugs. Once installed, it's virtually leak-proof and you can rotate the glass 360 degrees without spilling anything for easy drinking. Premium Material: Made of safe food-grade silicone, BPA-free, durable and reusable,

 Premium Material: Made of safe food-grade silicone, BPA-free, durable and reusable, environmentally friendly and non-toxic. Can be used for a long time without deformation. Good heat resistance and sealing performance. The straw tip cap prevents water from escaping from the straw and blocks debris and dust from entering through the straw.

Round anti-leak plug: It is installed in the middle of the inside of the lid to seal. The cross opening design ensures that air can enter when drinking water, making drinking water easy. For Version 2.0: The anti-spill stopper is only compatible with Stanley Cup 2.0 40 oz and 30 oz