MALOUF SLEEP TIGHT King Size Non-Slip Mattress Grip Pad - Rug Pad Non-slip pad ensures your mattress stays in place Can be used with any style of mattress, box springs or platform beds Can be easily trimmed to fit uncommon sizes Also useful as a non-slip rug pad for use with any type of 6' x 7' floor rug Non-slip pad measures 75" x 79" (6.25 ft. x 6.5 ft.)