Made of the softest, stretchiest bamboo viscose fabric that feels like butter. It is gentle on sensitive skin and perfect for year-round wear. No snaps, buttons or interior tags. Easy for you, comfy for baby! Extra length. Simply roll up the arms/legs as needed. No chemicals. Do you know most pajamas are treated with harsh chemicals that make them flame-resistant? Little Sleepies are designed to fit snugly in accordance with all CPSC regulations. Includes long-sleeve top and pants