- Are you tired of struggling with duvets that slide off the duvet cover? - Do you wake up at night and freeze because you've twisted out of the duvet cover and the duvet has rolled up at the edge? - Do you struggle every morning to get the duvet cover over the duvet, especially over the fabric duvet? Now we have this robust solution!!!! Made of robust plastic, with smooth edges, safe and non-toxic, and made to be used for a long time. Easy to use: Use the needle to go through the duvet, it pushes the fine \"sponge\" into the needle. It has stepless locking so you can choose how hard you want to push it in. You don't have to worry: The lock has been tested to withstand the most restless sleepers. Is it time to wash the duvet: No problem, just press the hidden button for the locking mechanism and it will release. If you have a weighted blanket of 9 kg or heavier, we recommend 2 packs.- Are you tired of wrestling with duvets that slide off the duvet cover? - Do you wake up at night and freeze because you've ended up on the duvet cover and the duvet has rolled up at the edge? - Do you struggle every morning to get the duvet cover over the duvets, especially over the fabric duvets? Now we have this robust solution!!!! Made of robust plastic, with smooth edges, safe and non-toxic, and made to be used for a long time. Easy to use: Use the needle to go through the duvet, it pushes the fine \"sponge\" into the needle. It has stepless locking so you can choose how much pressure you want. You don't have to worry: The lock is made and tested to withstand the wildest sleepers.