- High quality material and design: Made of durable silicone with careful workmanship. Dust resistant and non-slip, it is an essential accessory for the Stanley Travel Cup. The cute charms can be separated as keychains and assembled freely. - Excellent protection: BPA free silicone boot protects Stanley cups against scratches, slips, and dents, while minimizing noise for a smoother user experience. - Wide compatibility and precise sizing: Boot is 3 inches wide and 1.75 inches tall. Designed for Stanley Quencher 30/1.2L H2.0 and Stanley IceFlow 30oz cups. Also compatible with most 1.2L vacuum-sealed bottles. Fits Hydro Flask Wide Mouth 12, 16, 20, 24 oz; Rambler Travel Mug 30 oz; Simple Modern Tumbler 28 oz / 1.134 ml. - Best gift option: Portable and comfortable, the Chocolate Stanley Cup Accessory Set makes a thoughtful gift for couples, close friends, or yourself. - Use scenarios: Protect and personalize your cup at home, work, or on the go; enjoy quieter, scratch-free travel during outdoor activities or commutes; a versatile gift for Stanley cup users on birthdays or holidays.