The cot bed offers you the choice of 2 base/mattress height positions which can be adjusted to suit the requirements of you and your growing child. Once your child has grown out of the cot bed, it can easily be converted to a junior bed. What’s more is that when your child no longer needs the junior bed, it can also be converted into a sofa, giving significantly prolonged life and use from this wonderfully dynamic piece of nursery furniture. Included is the 4 inch 4baby deluxe foam mattress made up of high density Polyurethane flexible foam material. The 4baby Deluxe Foam cot bed safety mattress provides superior support and comfort when compared to fibre alternatives. This offers a hypo-allergenic nature and provides breathable and moisture resistant properties.The mattress also includes an adjustable waterproof sleeve (which is placed underneath the removable zip-off cover). The deluxe foam mattress is made in accordance with all the relevant legislation concerning safety and performance and is made without the use of fire retardant chemicals such as arsenic, antimony or phosphorous.