It is easy to operate, and it is durable, the top of the screw nail is transparent, which makes it can be hidden, and beautiful. It fits all sizes of beds and quilts, which is easy for you to use. Using the twisting screw nail fixer to hold your quilt, bed sheet, or sofa cover securely in place, your sheets or blankets will be neatly organized without wrinkles. It is constructed of stainless steel material. The length of this product is 1.1cm and width is 1.7cm. They are suitable for fixing quilts, sheets, curtains, blankets and other household items. Item Name: Sofa Cover Holder Material: Stainless Steel Features: Easy to Use, Hidden Design, Durable, Sturdy Size Details: 1.1cm x 1.7cm/0.43" x 0.67" (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: Type A 20 x Sofa Cover Holder or Type B 30 x Sofa Cover Holder or Type C 50 x Sofa Cover Holder