Ortopad® Soft Bamboo for Boys is made of a soft, natural bamboo material with added texture to feel--embrace the adventure with 5 fun designs, from airplanes to race cars, with “slightly raised textured accents”. In addition, nasal slits provide a comfortable fit without getting in the way of glasses. Ready for takeoff, 50 individually wrapped patches await in every box!Sizing Suggestions: Junior size (2-5/8″ x 1-31/32″ or 67 x 50 mm): Ages up to 2 Medium size (2-63/64″ x 2-1/8″ or 76 x 54 mm): Ages 2 to 4 Regular size (3-11/32″ x 2-5/16″ or 85 x 59 mm): Ages 4 and up For more information on our bamboo material, click here.