Size 3 to 15 kg baby material: outer layer: waterproof PUL inner printing: quick-drying suede pocket: a rearward opening care instructions: how many diapers do you need to wash the washable diaper separately from other clothes? -Newborn 4 months-20 to 30 diapers-Infants (4 to 10 months)-20 to 25 diapers-Toddlers (over 10 months)-15 to 20 diapers