Size 4: 20-30lbs / 9-13kg Keep your baby's bottom clean & comfortable with the Aleva Naturals Bamboo Baby Diapers. Our diapers top and bottom layers are made from unbleached bamboo fibres called Bamboo Kun. Together with the extra absorbability and breathable back layers, these diapers will help keep your baby’s bottom soft, supple and silky smooth. Plus, our diapers have a 3-line wetness indicator that changes from yellow to green, to let you know when it is time for a change & flexible side panels and pocketed back waistband ensure a snug and comfy fit. The Bamboo Baby diapers are feathery soft, durable, unbleached and biodegradable. Designed to provide maximum comfort for your baby, these eco-friendly diapers will be your new go-to. Like all Aleva Naturals products, the Bamboo Baby Diapers are made with premium quality ingredients, so you can enjoy a safe product without harsh chemicals or additives. - Comfortable, absorbing & eco-friendly bamboo diapers for babies - Unbleached