Material: Food grade silicone Size: 23*9cm / 8.97"*3.51" Color: Multiple colors 1. Safe and easy to clean: The silicone inner liner of this water cup is made of food grade silicone, safe and healthy, can be cleaned in the dishwasher, ensuring easy maintenance and ultimate cleanliness. 2. Detachable inner liner: The water bottle inner liner adopts an innovative detachable design, which can be quickly disassembled and thoroughly cleaned, saying goodbye to the laborious scrubbing of traditional water bottles. 3. Temperature retention: The thermal insulation performance of the water cup inner liner can keep beverages at low or high temperatures for a long time, allowing you to enjoy your drinks to the fullest. 4. Wide application: No need to worry about containers deteriorating; our water cups can be reused with liners that can withstand various beverages without affecting the integrity of the insulated cup. 5. Colorful choices: This summer water cup liner comes in a variety of bright colors for you to choose from, ensuring that your water cup matches your style and allowing you to enjoy practical benefits. Note: Product data is manually measured and may have an error of 1-2cm, please understand! Package includes: 1* Silicone water cup inner liner