Please kindly noted that this item is sold by jindouyunshanghai from Joybuy marketplace. Parts List: 1 x Silicone Bumper Boot Highlight description: [Provide Protection] This silicone bumper boot can not only protect your mug from wear, bumps, scratches, but also effectively prevent the mug from making annoying noises on the table. It is practical and reliable, and is an ideal mug accessory. [Compatible With] This silicone bumper boot is compatible with 40oz Tumbler with Handle and 30oz, the size is made precisely, it fits the bottom of the cup perfectly, it will not fall off easily, and it is safe to use. [High-quality Material] This bumper boot is made of high-quality food-grade silicone, which is safe, non-toxic and harmless, durable, soft, and can be used for a long time without deformation. [Convenient to Use] This bumper boot is elastic, easy to install and take off, it will not stick when you take it off, saving time and effort, dishwasher safe for effortless cleaning. [Practical & Ideal Gift] This bumper boot can be applied in home, office, school, gym, etc., to meet your daily needs. It is an ideal gift for relatives and friends on birthdays, Christmas, Thanksgiving and other festivals. Detailed description: Specification: Product Name: Silicone Bumper Boot Color(Optional): transparent white, gray Material: Silicone Size: Diameter 90mm, Height 45mm Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. [Provide Protection] This silicone bumper boot can not only protect your mug from wear, bumps, scratches, but also effectively prevent the mug from making annoying noises on the table. It is practical and reliable, and is an ideal mug accessory. [Compatible With] This silicone bumper boot is compatible with 40oz Tumbler with Handle and 30oz, the size is made precisely, it fits the bottom of the cup perfectly, it will not fall off easily, and it is safe to use. [High-quality Material] This bumper boot is made of high-quality food-grade silicone, which is safe, non-toxic and harmless, durable, soft, and can be used for a long time without deformation. [Convenient to Use] This bumper boot is elastic, easy to install and take off, it will not stick when you take it off, saving time and effort, dishwasher safe for effortless cleaning. [Practical & Ideal Gift] This bumper boot can be applied in home, office, school, gym, etc., to meet your daily needs. It is an ideal gift for relatives and friends on birthdays, Christmas, Thanksgiving and other festivals.