Don't forget your mattress: You'll need to buy a separate L90 x W54 x D7.5cm mattress to use with this cot.Still a little unsure about mattress dimensions and what they all mean? We've created a super handy guide to help you find the perfect mattress for your little one.Read our mattress buying guide herePetite Cot - Pure WhitePerfect for keeping baby in your bedroom whilst they sleep, our Petite Cot makes an ideal first bed for your little one. With its compact design, it'll fit neatly by your bedside and is ideal for smaller spaces. It's got 2 cot base heights, which means you can drop it down to the lowest height once your baby can sit up without your help, before upgrading to a toddler bed once they can climb.