Engel Romper 100% Merino Wool Baby Infant Footed Overall Organic 100% organic merino wool. VERY soft terry material. Made in Germany. Size Newborn - approx. baby height 50-56 cm (19,5-22 inches). Size 1-6 months - approx. baby height 62-68 cm (24-27 inches) - length of romper 60 cm (23,5 inches). Size 6-12 months - approx. baby height 74-80 cm (29-31 inches) - length of romper 69 cm (27 inches).