Newborn Baby One-piece Footwear Pajamas With Foot RomperProduct information: Applicable age: Freshmen 3 months 6 months 12 months 18 months 2 years old Made of: Cotton Whether to wear a hat: no Color classification: 1, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24 ,25 Sleeve length: long sleeve Style: long climb Material composition: cotton 100% Size Information: Note: 1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size