Baby Clown Organic Cotton Mix Animals Set 2 Pcs CC CUG2500360 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 Organic Cotton Clown For Babies: in the set 2 pcs. in sizes 56 62 rolled up sleeves special rubber bands above the heels that prevent the feet from slipping in sizes 56 80 feet from size 86 no feet Material