Quality materials: these duvet cover clips are made of plastic, in white color, durable, sturdy, and you can use them for a long time Keep your duvet stay still: these duvet holder clips can tightly connect your duvet and duvet cover together, which can effectively prevent your duvet from shifting from one side into other side, so you can have a warm and comfortable sleep Features: these duvet button clips will not scratch the fabric, and you can buy them with confidence; Instead of making holes in duvet cover, simply clip them over the duvet cover to make them work Feature: These duvet cover clips will not create a hole on your valuable quilt, they can make your duvet cling to your duvet cover firmly without moving, so you will not be frustrated by these messy quilt every morning. How to use: First, you should insert the duvet into the duvet cover, after that, you should install duvet button clips into the 4 corner of the duvet, and make sure both the duvet and duvet cover are clipped. Specification: Material: plastic Size: 1.38 inch in diameter Package quantity: 12x Duvet holder clips Note: Manual measurement, please allow error. Our product may not fit for extra thick quilt.