This charming cot bed features a height adjustable 3 position mattress base that can be repositioned to match your baby’s growth and two split end panels, which are used to convert “The Classic” to a junior bed once your little one grows too big to be contained safely. 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.