Description: Adjustable: single side relax at least 30 cm, up to 130 cm, with a band width of 2.5 cm. Convenient to use. Clip closure: the 12pcs metal clips are equipped with rubber, the fabric can remain intact without damaging the fabric. Wide application: keeps sheet in place all night, suitable for sheets, bed hoods, tablecloths, ironing cloths, and so on. Easy to install: no tools need to hold the mattress and attach the clip to the edge of the sheet. Durable material: made of thicken nylon band, plastic adjustable buckle and metal clip, strong to use. Specifications: Product name: bed sheet fastener Material: thicken nylon + plastic + metal Color: white, black Pattern: solid Feature: adjustable, 12 clips Size(approx.): length x width (30-130cm) x 2.5cm/(12-51) x 0.98inch Package Includes: 1 PC x Bed Sheet Fastener Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.