1COMFORTABLE HANDLE: Good grip ensures no metal sound when placed on the table, preventing sliding and providing a comfortable and pleasant user experience. 2OVERALL PROTECTING: The fittings are tough and pliable, no loosening or deformation in long term use. Protects the bottom and surface of the 40oz cup from hitting counters and other hard surfaces. 3NO NOISE: Good grip, no metal sound when placed on the table, prevents sliding, providing a comfortable and enjoyable user experience. The comfortable feel supports extended use. 43S QUICK INSTALLATION: Dual button design, 3S quick installation. There is a vent hole on the bottom that allows air to escape for easy up and down. Dishwasher safe, easy to clean, no odour. 5ECO FRIENDLY: Constructed with durable food grade silicone and alloy, cold and heat resistant, reusable accessories make a thoughtful and stylish gift to your family, friends, and colleagues alike. 1 x SiliconeCupSleeve 1 x Chain