Keep your baby comfortable with the nighty night pocketed cot mattress with coolmax this firm mattress has pocketed springs to help support your babys head and spine the coolmax quilted stretch knit cover reduces overheating to provide the perfect sleeping temperature there is a waterproof wipeable pvc coating underneath the top panel so the mattress can still be used when the cover is being washed choose from a continental or cot bed sized mattress regularly rotate the mattress for longe