Our silicone straw cover caps are made of high quality BPA-free silicone. It is odorless, non-slip and easy to attach to the straw. The straw topper for cup can prevent unclean stuff entering into the straw, clean and sanitary, making drinking more reassuring. It is safe and hygienic for you and your family's health, and you can use it with confidence. Customizable in both 3D and 2D to perfectly match your design. We can custom straw topper used for dia 8mm straw or 10 mm srraw. Prices are for 3D and  dia 10mm straw. Please feel free if you are interested in our items or need more assistance. Welcome your inquiry and logo.