Cotton Soft, stylish and safe--- the first thing you will notice is that our premium sheets are luxurious, soft and breathable fabrics. When you pull the sheets onto the bed, you will fall in with this feeling and fit, and realize that the elastic band has been wrapped around the mattress to create a safe and soothing sleeping space for your baby. The sheet is suitable for mattresses with a maximum size of 41 cm x 82 cm ( 16. 5 x 32inch ). The most suitable person designs for babies --- we know how difficult it is to find a fitted bed sheet that is easy to use, safe for babies and beautifully designed, so our mothers have tailored this bed sheet for our babies, we can Provide excellent products. Easy to maintain--- In the event of an accident, the sheets can be removed for cleaning at any time when they need to be cleaned. It is important that our sheets will not wrinkle, shrink or stretch even after multiple washings. Beautiful longevity--- Unlike many other sheets, our high- quality cotton/ spandex blends will not pilling or losing their bright colors over time. These sheets are durable! Make your world full of beauty by mixing and matching with other crib accessories: crib sheets, portable crib sheets, replacement cushion covers, and multi- purpose car seats and nursing covers. Mom\u2019s first choice --- these high quality bedside sheets are definitely a must- have for your baby. You can buy with confidence. When mom has worked hard enough, online shopping should be convenient for you. We are here to help you!