Raise Its – Clear Furniture Risers (8 Pack) – Set of two 8 …

Fix Slanted Floors by using 1 on two legs & 2 on the other two legs, this will eliminate sleepless nights if the bed is not straight, for eliminating dangerous bookshelves or tall furniture if they are slanted away from the wall. Raise Beds for the elderly, so they can easily get in & out of bed without assistance. Raise Beds for additional Underbed Storage Space.

https://www.amazon.com/Raise-Its-Furniture-Risers-8-packs/dp/B0043RXN3C