Fit All Brand of Straw: Patent Design - Innovative design with adjustable internal diameter (6mm-10mm). Suitable for all brand of Stanley, Simple Modern, Yeti, Owala, Hydro Flask, Reduce, Maars, Meoky, MaxBase, Beast, Hydrapeak and so on. NO brand limitid.
Solve the problem of size: When you purchasing some straw covers, are you concerned about the size not being suitable for multiple different brands of straws. The adjustable straw cover cap can help you solve it.
Food Grade Material: Straw cover made of food grade and stretchy silicone, BPA free, soft, flexible, odorless, reusable and durable. Dishwasher safe.
Leak-proof & Dust: The straw cover cap can prevents the straw from being contaminated by dust and spittle in the air, and prevents water from spilling out of the straw. Keep your drinking ice or hot and your healthy.
Guaranteen：If, for any reason, contact us as soon as possible. We will help you solve the Problem.
