Anti Slip Tumbler Handle, KinHom Plastic Hand Rubber Holder Sturdy Grip Accessory Fits 30 oz YETI Rambler, RTIC, SIC, The Berg and More Magnum Vacuum Insulated Cooler Cups, Black (2 PACK) Color Handle has been ergonomically designed to provide maximum comfort by gently fitting the contours of all sizes of hands. BUILT TO LAST - Made from Eco-friendly, recyclable, BPA free, FDA approved, Highly durable Polypropylene adhering to ASTM standards (American Society for Testing and Materials). Handle Fits 30 OZ Yeti Rambler, The Berg, RTIC, SIC And Most Other 30 Ounce Tumbler Sizes. Comfortably Fits Most Vehicle & Boat Cup Holders, Camping Chairs, etc. Exclusive Non Slip Lining Provides The Tightest Fit Possible And Prevents Slipping Two Ring Construction For A Sturdier Grip And Equal Distribution Of Stress For Long Lasting Use Stronger And Wider Handle With Reinforced Layers For Increased Durability And A Stronger Grip