Features: 1.Safety Material: This fastener is made of plastic and can hold the sheet firmly. Easy to place and hold the sheets in place, no need to fix the sheets again. 2.Wide adaptability: Sheet holder can be used for different size beds, sheet sling queen, king and twin beds 3.With non-slip design: just insert the sheet holder under the mattress, press the button up to the upper hole and fix it. 4.Firm and durable: The sheet holder can fix the sheets on the bed and stick to the bed tightly, once they are opened, they will not fall off easily. 5.After-sales Service: If you have any problem, please contact us immediately, we will help you solve it as soon as possible. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Product material: plastic Product size: 17.5*10*3.5cm