Introducing the Protective Silicone Sleeve for Stanley Tumbler 40 30 oz, the perfect accessory for anyone who wants to keep their water bottle in pristine condition. Made of high-quality food-grade silicone, this sleeve provides protection against scratches, dents, and damage to your stanley rubber bottom 40 oz. Worried about the noisy clanking of your water bottle on counters or tables? This silicone boot for 40 oz stanley cup accessories can protect your cup from collision, scratches, and will not make a noise when placing it on the table! This silicone sleeve comes in a versatile transparent color that can match with cups of any color, so you no longer need to think about which color of cup boot to match with your cup! And you will get 2 pieces of Stanley cup boot - one for yourself and one for family, friends, or a spare. Designed to fit Stanley Quencher Adventure H2.0 40oz and 30oz Tumbler with Handle & Stanley IceFlow flip 30oz and 20oz, this sleeve is precisely molded according to the size of Stanley cups, which perfectly fits the cup bottom and won't fall off easily. It also fits tumblers with a base diameter of approximately 2.95 inches, including Hydroflask 12-24 oz, Yeti Rambler 20 oz/30 oz Tumblers, and more, As fits stanley 30 oz tumbler rubber boot,the proper elasticity of this silicone boot makes it very easy to put on and take off. Just hold the tumbler, gently put the silicone boot on the bottom, and squeeze out the air. And it won't be as sticky as some silicone cup covers when taking off. This silicone sleeve is made of BPA-free silicone material that is safe for all ages and dishwasher safe. It is easy to clean and reusable, making it a must-have accessory for your active on-the-go lifestyle. Protect your water bottle from damage with the Protective Silicone Sleeve for Stainless Steel Water Bottles.