Description 1.Wide Applicability: Suitable for all brands 20 oz to 40 oz standard tumbler, cup, mug, bottle, thermos, E.g: 20oz 22oz 24oz 26oz 28oz 30oz 32oz 34oz 36oz 40oz, Even 44oz, NO brand limitid. Top circle indiameter can adjust from 2.2 to 5.5 inches, bottom circle indiameter can adjust from 2.1 to 4.2 inches. Top to bottom is 5 inches. 2.Anti-Slip Design: Velcro strap was made with durable and powerful anti-slip silicone (BPA free ), offer anti- slip function.Even put Extra thick anti-slip rubber under each side of grip to locks firmly your tumbler at any angle, even upside down. 3.Sweat Absorption Easy to clean: Thanks to their grip coated with silicone oil rubber, with Sweat absorption function, and is not easy to dirty your handle, keep clean and healthy. And easy to clean. 4.Easy to Carry Vehicle Friendly Holders: Unlike ordinary other silicone handles. Adjustable strap was easy to remove and fold up into your travelling bag, camping bag and backpack etc, perfect for travelling, outdoor activities. Also fits most car cup holders. 5.Warranty: We upgraded the third-generation adjustable handle based on customer suggestion. Solve the problem of slip resistance, Remove end metal. Made with Velcro strap. And we offer 12-Month Replacement Customer Service ,60-Day Money Back Service,Lifetime Support Service.