QT Bloom Baby Boy One piece Formal Tuxedo Romper with Bow-tie (Checkers Grey Vest) Easy open and close. Removable bowtie; Material: Cotton and Polyester. Machine wash with cold water (70) 3-6 months: Chest 20 Waist 22" Length 18" (80) 6-12 months: Chest 22" Waist 23" Length 19" (90) 12-18 months: Chest 23" Waist 24" Length 21" (95) 18-24 Months: Chest 24" Waist 25" Length 22"