Gr&ouml;do (Groedo) Organic Cotton Baby Infant Tights Made in Germany Machine washable 85 F degrees (30 C degrees) 98% organic cotton, 2% elasthane Certified by GOTS (Global Organic Textile Standard) Made in Germany Size 3-6 months, for height 56-62 cm (22-24 inches). Size 6-9 months for height 68-74 cm (27-29 inches). Size 9-12 months for height 80-86 cm (31-33 inches).