Package Include: 1 x 6 Sides Sheet Clips Material: Metal + Nylon Color: White/Black Using: bed sheet,satin sheet, mattress covers, blankets Type: Bed Sheet Clips Size: 13.5*29cm Features: 1) Firm Structure: With unique structure, it not only provides stable and stronger grip to prevent the bed sheet from slipping, but also wont cause any damage to the bed sheet. 2) Durable Clip: The clamp is made of chrome metal, which make it durable, colorfast and can prevent any rust. 3) Flexible: The 6 elastic band, ranging from 11 to 55cm in length, making it possible to fit different types of bed sheets. 4) Easy to use: It is convenient to install and just fasten all 4 corners to the mattress with these flat sheet clips. 5) Wide Application: It is not just for bed sheets, but also suitable for air mattress, tablecloth covers, car/boat seat covers, couch/chair seat covers, etc. Note: 1.Due to the light and screen difference,the item&#39;s color may be slightly different from the pictures. 2.Please allow 1-3cm errors due to manual measurement,thanks.