Enhanced Stability with L-Shape Design: Featuring a 5.5 x 4.7 x 3.9 in / 14 x 12 x 10 cm, L-shaped design that snugly fits around your mattress; this mattress retainer bar, combined with a wide 4.5 in / 11.5 cm base, maximizes friction and prevents sliding, keeping your mattress firmly in place.
