Features: Zip up footed sleeper for easy dressing and diaper changing Snug fitting to comply with the CPSIA regulations (Consumer Product Safety Improvement Act in USA) and Health Canada Children’s Sleepwear Requirement Anti-slip grips for size 12-18M & 18-24M. The ankles are elasticated for a perfect snug fit. Chin protector on top of zipper head to prevent rubbing. Super soft, breathable and absorbent. Anti-static, hypo-allergenic and easy care. Fabric: 97% rayon from bamboo 3% spandex.