Cotton Outer Material:Ultra soft 500 thread count down proof cotton shell with no sound,providing the tender care to your baby. Filling Material:100% filled with natural white goose down without any feather and chemicals,750+Fill power, 1000+Cleanliness,Hypo-allergenic. Dimensions:L-41x48in(Advice for 0-3 years old baby/toddler),Filling weight:4.9oz,especially suitable for air-conditioned summer or warm climate and comfort in a lightweight. Special Love for your Baby: The features of this down comforter -Natural, Lightweight, Warm and Noiseless could provide the premium sleep to your baby,helping them to grow healthily. Easy to Clean: Machine Washable on the gentle circle, air dry.