⭐Sleeve Length:Long Sleeve. ⭐Size 6-9M #, length 29cm; Sleeve length: 21CM；Chest circumference: 56cm；Pant length: 40CM; for 6-9 months. ⭐Size 9-12M #, length 31cm; Sleeve length: 23CM；Chest circumference: 59cm；Pant length: 43.5CM; for 9-12 months.