95% Organic Cotton 5% SpandexWhy cotton? Cotton is well known for its ability to breathe while keeping the body nice and warm. We source only the finest quality cotton to ensure we are providing your child with nothing but the best.This cute new style is the perfect fabric blend for year round comfort, and features a snap dome opening on sizes 0-3 months to 2 years.For the most accurate garment colour, we recommend referring to the flay lay image on a desktop computer.We recommend a delicate wash in laundry bag.