Intimate and large-mouth design is convenient for water injection, leak-proof and explosion-proof.Long service life and can be reused, it is a green and environmental-friendly product.Size: 13.5*10*5.8cm.Material: silica gel.Soft - Premium soft silicone gives you a comfortable feel (the same is true for knit sleeves and packaging).Easy to clean - just wipe the with water or a wet towel.Widely used - The temperature range is -40 ° C ~ 100 ° C. You can use it for cold or warming.[Note: Other items displayed on the picture other than the product are for reference only and are not included].All products are 100% physical pictures, no special effects picture software, please rest assured to buy.