Boy's Body with Long Sleeves Mix Set 5 Pcs CC CUB2500411 00These are the flexible sizes for respective age group as per mentioned in CM Size Increase Approx Age Chest (CM) Waist (CM) Hips (CM) 56 New Born 40 40 41 62 0 3 M 42 42 43 68 3 6 M 44 44 45 74 6 9 M 46 46 47 80 9 12 M 48 48 50 86 12 18 M 50 50 52 Long sleeve bodysuit for boys: set: 5 pcs. butterfly neckline makes it easier to put on over the head Material and technologies: 100% cotton (weight 200 g m2) Oeko Tex Standard 100 certificate Washing and