Material: Outer shell: Polyester with waterproof and breathable TPU lining. Inner layer: Bamboo velour (super soft) Features:- ONE SIZE: Fitting from 3kg to 15kg. (Note that this is a guide only and will differ with each child)- This nappy is an All in One (AIO) and All in Two (AI2) style nappy and is purchased as a whole.- Two setting of front rise and hip snaps to avoid 'wing drooping' of the nappy. Inserts : - SEWN IN - 3 layers of bamboo/cotton topped with a smooth layer of bamboo velour.- SNAP IN - 3 layers of bamboo/cotton topped with a smooth layer of bamboo velour.* Total of 8 layers of absorbency. Wash & Care: Prewash before use with detergent - no need to soak inserts or covers. For general washing instructions please see our 'Washing Guidlines' tab. Please note that if you have any questions about any of this please send us an email or contact us through social media. Please keep in ming that bamboo is a natural fibre and will increase in absorbency over time as fibres expand.