Personalized Twins 1st Birthday Bears Newborn Layette. Two little teddy bears are having a birthday picnic to celebrate turning one. It's Our 1st Birthday quote for twins comes on Newborn Layette - Light Blue. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months