Featuring a simple yet functional design, boasting both comfort and safety, the oscar cot will have both you and your babe dreaming big and sleeping easy. Two adjustable mattress heights (48cm from the top of the mattress base to the top of the side rail at higher heights and 63cm from the top of the mattress base to the top of the side rail at lower heights). - fixed side rails - converts to a toddler bed when matched with an oscar conversion kit (sold separately) - fits a standard 131cm x 70cm x 12cm cot mattress (sold separately).