FITS PERFECTLY- Our silicone boot is designed to perfectly fit Stanley Adventure Quencher Travel Tumblers (20oz, 30oz, 40oz), Stanley H2.0 FlowState (30oz, 40 oz) with handle, Stanley IceFlow Tumblers (20oz, 30oz), Hydro Flask water bottles (24oz, 21oz, 20oz, 18oz, 16oz, 12oz), Hydro Flask 35/ 40 oz Travel Tumbler, and for Simple Modern 30/40 oz Tumbler, for Simple Modern 20/24/28 oz Classic & 14/18/ 22 oz Summit & 20/ 24 oz Ascent water bottle EXTENDED COMPATIBILITY- Our silicone boot is also compatible with other popular brands & sizes. It fits Owala 40oz stainless steel tumbler,YETI Rambler 20/ 30 oz Travel Mug & Tumbler, YETI Rambler 12/ 18/ 26 oz water bottle. Suitable for tumblers or water bottles with a base diameter of 2.8-3 inches（7.1-7.6cm) MAXIMUM PROTECTION - This durable bottom boot helps protect against dents, dings, and damage. Give your water bottle a longer life. SIMPLE CHECKERED DESIGN - You can choose the same color with your bottle or different ones to create your own scheme the way you want it. Our boots can protect your water bottle from noise, dents, and damage BETTER SERVICE- Any questions, please contact us, we will reply within 10 minutes during working time Protect your favorite tumblers and water bottles with our durable, reusable Soledea Silicone Boot. This cylindrical boot, measuring 2.9 inches in width and 7 inches in height, fits perfectly on Stanley, Hydro Flask, and Simple Modern tumblers ranging from 12 to 40 ounces. Its extended compatibility also includes popular brands like Yeti and Owala. The boot's anti-slip bottom ensures stability, while its simple, checkered design adds a touch of style. Made from dishwasher-safe silicone, this boot helps extend the life of your bottles by protecting against dents and damage. Ideal for sports, travel, and outdoor activities.