Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Description: Main Material: Nano PU Gel Feature: 1.Washable, can be reused more than 600 times. 2. The gel super strong and washable and reusable Gel formula there are an infinite amount of potential uses. 3.It is easily removable and will not damage your walls or surfaces. 4.Double-sided adhesive and washable and reusable. 5.Keep items in place without slipping.