WHY BIRD & BEAN?Made from the highest quality, extra soft bamboo viscose fabric, our baby pajamas kid's pajamas are a hit! Our bamboo pajamas are made with our buttery soft bamboo/spandex blend with the perfect amount of stretch softness. Plus, we make our fabric slightly heavier weight to make our pieces last. Our fabric will hold its shape, color, quality wash after wash. Please read our many reviews from happy customers!GREAT FEATURES: two-way zipper design for easy changessoftest stretchiest fabricfold over cuffs on hands feetadorable designsgreat for littles with sensitive skinbreathable temperature regulatingmade with sustainable bamboo