If you're tired of your duvet insert bunching up inside the cover, these KIBBEH clips are the solution you've been looking for! The set comes with everything you need: 8 snap clips, a roll of white thread, and 16 specialized needles in different sizes. The concealed internal threading design is brilliant - once installed, you can't even see the clips from the outside, so your bedding looks neat and professional. The snaps are strong and secure, keeping your comforter firmly in place no matter how much you toss and turn at night. Installation is straightforward with the included needles and thread - you just stitch the clips to the corners of your duvet insert and corresponding points inside the cover. The snap mechanism is easy to open and close, making it simple to remove the comforter for washing when needed. The clips are durable and won't break or come loose during normal use. No more waking up to find all your bedding bunched at the bottom of the duvet cover or dealing with cold spots where the comforter has shifted. They work with all standard duvet sizes and types of comforters. The quality is impressive - these aren't flimsy plastic clips that will snap under tension. If you've been struggling with duvet covers that never seem to stay in place, these clips will completely transform your bedding experience. Finally, a good night's sleep without constantly rearranging your comforter!