PERFECT FIT: This Stanley boot is designed to fit Stanley tumblers 20oz 30oz 40oz with precise dimensions - 2.95 inches diameter and 1.35 inches height with 0.07 inch thickness, perfect fit and won't slide off easily ADD PROTECTION: The Stanley cup silicone boot sleeve guards Stanley water bottles against drops, scratches, dents, and daily wear while maintaining the cup's original appearance and makes it more long-last NOISE REDUCTION: This Stanley cup accessories softy silicone materials minimizes noise when placing the cup on hard surfaces, creating a more pleasant experience, ideal for quiet environments MULTIPLE COLOR OPTION: Our Stanley cup boot availables in various vibrant color options to suit your personal style and preferences, choose you favourite colour DURABLE CONSTRUCTION: The Stanley cup bottom protector made from high-quality silicone material that maintains its shape and protective properties over time EASY APPLICATION: This Stanley cup boot featuring a vent-hole design to allows for quick installation and removal while providing a secure, non-slip grip Protect your 20 oz 30 oz 40oz tumbler with this thoughtfully designed silicone sleeve that adds both style and functionality. The durable sleeve measures 2.95 inches in diameter and stands 1.35 inches tall, with a precise 0.07-inch thickness that provides a snug, secure fit. The elegant purple silicone guard not only prevents scratches and scuffs on your favorite tumbler but also significantly reduces noise when placing it on hard surfaces. This sleeve's scratch-resistant surface maintains its pristine appearance even with daily use, while its carefully engineered design ensures it won't slip or move during use. Perfect for home, office, or on-the-go protection, this sleeve combines practical protection with noise reduction in one sleek accessory.