Approved by Red Nose for safer sleep, the Wondercool Eyelet Jersey Bodysuit is made from super soft mesh fabric with X-Temp Technology to maximise airflow and help regulate baby's body temperature Featuring comfortable, baby locked edges, these bodysuits reduce bulk when layering, and come with quality press studs for easy nappy change. Perfect for layering with baby clothing, keeping arms warm when sleeping, or to wear on its own Main: Cotton / Nylon / Elastane (Exclusive of Trims) Each garment label will provide the specific material and care instructions for your guidance, so please make sure you check these.