Do you have a little diva on your hands? This creeper for girls shows everyone exactly who's the boss! Mamas, be assured that the thick cuffs, leg openings, and neckline hugs babies, and will continue to be snug, even after washing, and will last for years to come. Hello, hand-me-downs! *GOTS Certificate Registration No: 819511. Age and Weight: NB: 5-7 lbs; 0-3M: 7-12 lbs; 3-6M: 12-16 lbs; 6-12M: 16-24 lbs; 12-18M: 24-30 lbs.