With the help of fashion, elegant and multifunction bedsheet clip, it is perfectly fit for various mattresses with raised edges. You can use durable, stable, premium plastic clip easily, which is easy to install and convenient to take off. It is made of high quality plastic material. The length of the mattress holder is 4.6cm and the width is 1.5cm. It is perfect for home, household, bedroom and etc. Item Name: Mattress Holders Material: Plastic Features: Portable, Lightweight, Convenient Colors: White, Grey, Blue, Pink Size Details: Single Size: 4.6cm x 1.5cm/1.81" x 0.59" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 12 x Mattress Holders