Feature. 1. Made of environmentally friendly PP material, with accurate workmanship and rounded edges, it is reusable and will not damage your duvet. 2. The locking design keeps the corners of the down jacket in place and prevents it from slipping or shifting. Specific. Material: PP Size. Duvet Cover Clip: 3.5 * 3.2 cm Storage pocket: 16 * 20cm Color: Clear Quantity: 21 Package includes. 20 * duvet cover clip 1 * storage bag Tip: Recommended for quilts with a thickness of less than 3 cm