size chart (suitable for 3-36 Months) Size Recommended Age: 0-6 months, Pants Length 21 cm, Waist Crotch 40cm, Width 11cm, Thigh Circumference (elastic)22cm. Size Recommended Age: 6-15 months, Pants Length 22 cm, Waist Crotch 42cm, Width 12cm, Thigh Circumference (elastic)22.6cm . Size Recommended Age: 12-24 months, Pants Length 23 cm, Waist Crotch 44cm, Width 13cm, Thigh Circumference (elastic)24cm. Size Recommended Age: 18-32 months, Pants Length 24 cm, Waist Crotch 46cm, Width 14cm, Thigh Circumference (elastic)26cm.