Modeleco-friendly in organic cotton, Adjustable strap at the back, Available in baby, child and adult sizes, Flat brim. Composition: 100%organic cotton. All caps are made without phthalates, AZO and organotins. They also have a low cadmium content and are EN71, REACH, SGS certified. Care advice: We recommend hand washing (or, with a soft toothbrush). Important: Every child has his or her own head size, regardless of age. The best indicator for choosing a size is therefore head size (in cm). Please refer to the information below: Size 1 Head size: from 44 to 48cm Age: 9-18 months Size 2 Head size: from 48 to 52cm Age: 2-5 years Size N°3 Head size: from 52 to 56cm Age: +6 years Size N 4 Head size : from 56 to 58 cm Age: Adult