Description ECOHomes Mattress Retainer Bar prevents your mattress from sliding off the bed frame, keeping it securely in place night after night. This non-slip retainer bar fits between the mattress and the bed frame or foundation, creating a physical barrier that stops unwanted mattress movement. Designed for use with adjustable beds, platform beds, and standard bed frames, this mattress stopper accommodates various mattress sizes including twin, full, queen, and king. The durable construction withstands nightly use while remaining discreet and comfortable under your fitted sheet. Key Features: Prevents mattress from sliding off the bed frame Works with adjustable, platform, and standard beds Fits twin, full, queen, and king sizes Durable non-slip design for long-term use Easy to install between mattress and frame