Bambo Nature is a sustainably manufactured brand in production for more than 35 years! A true legacy brand that you know you can trust in order to #ParentFearlessly. Size 4 fits baby weight range 15-31 lbs. See size chart for more details. THE BEST COMFORT FIT FOR BABY - our diapers feature a wetness indicator that changes color to indicate when a change is needed. The flexible waistband and latex-free leg cuffs help diapers stay in place while maximizing movement. SUPERNATURALLY EFFECTIVE - a unique three-layer design and super-absorbent core that can stand up to multiple wettings—even overnight. Combined with our fully breathable backsheet, baby's sensitive skin will stay dry and comfortable. THE BEST FOR OUR PLANET - made from 100% wind power and the first baby diapers certified with the Nordic Swan Ecolabel. SKIN SAFE MATERIALS - free of harmful chemicals and all known allergens and the fluff pulp is made TCF (totally chlorine-free).