aden + anais Baby Girls' Newborn Muslin Long-Sleeve Zip One Piece 95% Cotton/5% Spandex Imported Machine Wash Includes one 95% cotton/ 5% spandex metallic long sleeve zipper one-piece Easy dress: covered zipper protects babys delicate skin Easy dress: covered zipper protects babys delicate skin Easy dress: covered zipper protects babys delicate skin Easy dress: covered zipper protects babys delicate skin