Child Sleepy Time Set | Dirt BikeSoft, breathable fabric blend: 95% bamboo viscose, 5% spandex. Naturally hypo allergenic and gentle on skin. Moisture wicking to keep skin cool and dry. Designed for comfort from day to night. Footed option for 06 months. Footless option for 624 months. Sizes available from 6 months to 9 years. Print in grey with white dirt bikes. Machine wash on a gentle, cold cycle. Avoid overloading the machine. Use mild detergent without bleach. Prefer air drying