The obaby foam cot mattress is suitable for all obaby cots with hypo allergenic breathable properties dent resistant vented foam this cot mattress will help your baby to enjoy a comfortable nights sleep the washable removable cover allows the mattress to be kept in a hygienic condition for your little one features hypo allergenic water resistant breathable removable cover washable at 60 inner core has high resilient dent resistant foam vented foam comfortable and safe cot foam mattre