Great Innovation: Solve the problem of unsuitability. When purchasing a straw cover, are you concerned about the size not being suitable for multiple different brands of straws or cups. The adjustable straw cap can help you solve it. Fit All Brand of Straw: Patent Design - Innovative design with adjustable internal diameter (6mm-12mm). Suitable for all brand of Stanley
Simple Modern
Yeti
Owala
Hydro Flask
Reduce
Maars
Meoky
MaxBase
Beast
Hydrapeak and so on. NO brand limitid. Food Grade Material: Made of the high quality food grade silicone material. BPA free, durable, safe and non-toxic, reusable. Hand washable and dishwasher safe. Leak-proof & Dust: prevents the straw from being contaminated by dust and spittle in the air, and also prevents mosquitoes from entering the water cup, keeps the straw and cup hygienic. Especially suitable for outdoor activities. Guaranteen：If, for any reason, Please contact our team! We will solve the problem as soon as possible. Adjustable Straw Cover for Stanley
Simple Modern
Yeti
Owala
Hydro Flask
Reduce
Maars
Meoky
MaxBase
Beast
Hydrapeak Cup, All Brand of Straw Accessories, Diameter 6mm-12mm, BPA Free, Dishwasher safe