6 PCS Silicone Spill Proof Stopper Set for Stanley Cup 1.0 40oz/ 30oz, Reusable Stanley straw cover Including 2 Square Spill Stopper, 2 Round Leak Stopper and 2 Straw Cover Cap

• 【The Perfect Partner For Your Mug】 Are you still worried about the leaking of the non pouring mug that stains your clothes and table? Our leak-proof set is the best solution to make your mug completely leak-proof.
• 【Food Grade Silicone】 Made of high quality food grade silicone, durable and not easy to deteriorate, providing you with a high quality and safe drinking experience. Reusable, BPA-free and dishwasher safe.
• 【Perfectly Compatible】Designed for 40oz Stanley 30oz, the straw tip cap prevents drinks from spilling out of the straw and dust from entering, keeping the straw clean, whether you are traveling or using it in your daily life, it keeps your drinks in and around the cup undisturbed.
• 【High applicability】Only compatible with Stanley Water Mug version 1.0 40oz and 30oz. Due to the improper size, the round stopper will come off and cause leaks! Please check your cup version before you buy.
• 【Package Contains】Includes 2 straw caps, 2 square leak-proof plugs and 2 round leak-proof plugs, Note: If you have version 2.0, select the option with version 2.0.

Source reference: https://www.amazon.com/dp/B0CCNZDGLC