How To Keep Mattress Topper From Sliding Off Bed. Use a tight fitted sheet. Duct tape pretty much can hold anything together.
This will help hold the bedding and topper in place. Additionally, you could buy separate sheet suspenders and attach them to your mattress topper, then wrapping them around the corners of your bed, which should keep your mattress topper from sliding. A bed sheet will obviously help you keep the mattress topper clean from stains;
11 tips for keeping your mattress topper from sliding
You can add a footboard to your bed, and it can significantly help your mattress topper stay in position. However, if your mattress topper keeps on sliding off, it’s far from being a source of comfort. This prevents your mattress topper from sliding off. Duct tape pretty much can hold anything together.