Adjustable Upgrade: Adjustable internal diameter (6mm-12mm) can fit for all brand of tumbler and straw. Such as compatible with Stanley
Simple Modern
Yeti
Hydro Flask
Reduce
Owala
Beast
Hydrapeak, and more. Food-Grade Silicone: Straw Cover was made of the 100% food grade silicone material. BPA free, durable, safe and non-toxic, reusable. Hand washable and dishwasher safe. Patent Design: Exclusive sales, please identify the patent before purchasing. Keep your water Clean: The straw topper seals your straw, preventing unwanted substances from entering when you're not drinking. It's particularly suitable for use in the office, parties, watching TV, yoga, camping, hiking, and various indoor and outdoor activities. satisfy: If there is any problem with our product, do not hesitate to contact us as soon as possible. We will do our best to satisfy you. Adjustable Straw Cover Cap for Stanley，and Compatible with Simple Modern
Yeti
Hydro Flask
Reduce
Owala
Beast
Hydrapeak Tumbler Straw, All Brand of 6-12mm Straw, Straw Stopper Topper Accessories