Sure and Secure™ Single Mesh Bed Rail Pink - Safe & effective solution to children rolling off the bed. Fully Assembled, no tools necessary!!!DESCRIPTION: Fits mattress between 173 cm and 214 cm long Simple connection mechanism ensures a snug fit Convenient fold down rail Rail connects under mattress For ages 18 months to 5 years Panel measures 48 (122 cm) wide by 20 (51 cm) high The lock, hold and fold down mechanism is approximately 2 inches thich, so not suitable to fit on some cot beds with raised sides Not to be used on bunkbed, waterbed or bed with inflatable mattress Can only be used on slatted beds if slats can be moved to be positioned for straps of bedguard to sit on - A piece of hardboard placed on slats provides easy solution