Ultimate Protection: Silicone boot for Stanley 30 oz 40oz cup, boot for Stanley IceFlow 30 oz 20 oz tumblers. Bottom boots provide impact protection from drops, prevents dents and scratches on the tumbler bottom, and acts as a durable base cover and bumper, making your Stanley cup last long

Anti-Slip Grip: Non-slip bottom ensures stability for Stanley cups staying firmly in place on any smooth surface. No more worrying about your cup sliding around in the car cup holder or tipping over on a table. Anti-slip silicone boot, works as a cup protector

Premium BPA-Free Silicone & Easy Cleaning: Made from high-quality, BPA-free silicone, boot for Stanley is dishwasher safe, for easy cleaning and reusable, making it a practical and easy to slide off to use Stanley cup accessory

Great Value 2-Pack: Comes with 2 protective silicone boots in one pack, suitable for keeping a spare boot, mixing and matching colors, or gifts for Stanley cup fans. Bottom protector is essential accessory for Stanley cups, silicone boot for stanley cup accessories for home, office, gym, and outdoor adventures

Noise Reduction: Protective sleeve cover for stanley cup boot significantly reduces noise when you set down your tumbler. Avoid loud clanking, flexible, food-grade silicone offers a snug fit that won't slip off, ensuring your Stanley accessory stays put during travel or daily use

Universal Compatibility: Designed to fit for Stanley Quencher H2.0 30oz 40oz and IceFlow 20oz 30oz tumblers with bases measuring 2.8-3 inches in diameter, providing versatile protection across multiple Stanley cup models