Bambo Nature Disposable Diapers, Size 4, 15-40 pounds (7-18 kilograms). Bambo Nature disposable diapers are more than just eco-friendlytheyre safe and offer supernatural performance! Free of harmful chemicals and all known allergens, our diapers have a unique three-layer design and super-absorbent core that can stand up to multiple wettingseven overnight. Combined with our fully breathable backsheet, baby's sensitive skin will stay dry and comfortable. A wetness indicator changes color to indicate when a change is needed and our flexible, waistband and latex-free leg cuffs help diapers stay in place while maximizing movement so your child can boot, scoot and boogie all day long.