HUAK Certified. This baby cotton sleeper by KaWaii Baby is soft, comfortable and durable. Fold-over hand mittens prevent your baby from scratching their faces. Fold-over foot cuffs to keep your baby's feet warm. Full two-way zipper for easy diapering and dressing. More Features: Rib knit crew-neck Zipper down center front and along left inseam for easy diapering and dressing Fold-over hand and foot Machine wash Stock up on pieces for sleep, play, and everyday Available in 3 sizes: 3-6 mos, 6-9 mos, 9-12 mos Size 1 – 6 years are available in 2-piece set, check out the 2-piece Cotton Bodysuits Age Length w/o footer Length w/ footer Chest Length Baby Length Baby Weight 3-6 Months 51 cm 56 cm 26*2cm 59-66 cm 10-15 lbs 6-9 Months 56 cm 61 cm 27*2cm 66-73 cm 14-18 lbs 9-12 Months 61 cm 66 cm 28*2cm 73-80 cm 18-22 lbs