Washable: you can wash by hand or machine, but please remove the plastic ring before washing. The cover has good flexibility and shrinkage, and can be adapted to different types of toilet. Soft and comfortable, this cover can keep you warm and avoid the cold of the toilet seat. Product Description describe: Diameter is about 29cm Package included: 4 * toilet pad (blue + green + pink + m) 1. Manual measurement, there will be some errors in the size, please refer to the actual size 2. Due to the light and screen difference, the product’s color may be slightly different from the picture.