TRU Lite Bedding Non Slip Mattress Pad - Grip Pad Locks in Place - Non Slip Mat fits Platform or Futon Mattresses - King Size - Rug Gripper for 6' x 7' Rug SECURE BED ACCESSORIES - no more slipping bedding, mattresses, memory foam, bed skirts SLEEP PEACEFULLY - liner pad grips tightly so you can get a restful night's sleep on a secure bed FURNITURE AND RUGS -Not only platform and standard beds. Works well for daybed, sofa, carpets and rugs EASY TO FIT - Lift your mattress to place under your mattress directly on platform or box spring TRIMMABLE - Easy to convert to custom size with a simple pair of scissors