Fits Pefectly: Yoelike silicone boot sleeve for hydrojug traveler 40 oz 32 oz stainless steel tumbler with handle, and for hydroJug sport - 40 oz 32 oz stainless steel tumbler with straw. Maximum Protection: This durable bottom boot helps protect against dents, dings and damage. Give your water bottle a longer life. Top Quality: Made of food grade and stretchy silicone, BPA free, soft, flexible, odorless, reusable and durable. Dishwasher safe. Fit Other Brand bottle: Also Compatible for other brands of water bottle which have the same diameter of the bottom, Example for Yeti/IRON °FLASK/Hydro Flask/Stanley/Simple Modern and so on.（Please measure the bottom of the bottle to make sure it fits the boot before you purchase） Guaranteen: If you are not satisfied with our products, please do not hesitate to contact us. Yoelike 2 PCS Silicone Boot for Hydrojug Traveler 40 oz 32 oz, Anti-Slip Protective Sleeve for Hydrojug Stainless Steel Tumbler, Bottom Bumper Cover Accessories, Dishwasher safe, BPA Free