One Small Child Daniel Cotton Christening Baptism Blessing Outfit for Boys 100% Cotton To ensure the most accurate fit order according to babies chest and torso measurement (if in-between sizes choose the larger size), Newborn=chest 15 1/2", torso 10 1/2"; 3 Months=chest 17", torso 12"; 6 Months=chest 18", torso 13 1/4"; 9 Months=chest 18 1/2", torso 14"; 12 Months=chest 19", torso 14 1/2"; 18 Months=chest 19 3/4", torso 15 1/2"; 24 Months=chest 20 1/2", torso 16 5/8" 2 piece set includes romper and bonnet. Long sleeves, long legs. Entre-deux & covered button details at the waist. Fabric: 100% cotton. Machine wash, gentle cycle. Tumble dry on low heat. Perfect for weddings, holidays, Thanksgiving, Christmas, Spring, Summer, Winter, Fall, birthdays, daily use, or any other occasions!