Koo Di Sleepsac’s are beautifully soft & comfortable, their sleeping bags are among the most antiallergenic, antibacterial, sleeping bags on the market. FEATURES 100% Bamboo Dream lining Environmentally friendly Bamboo fabric is 60% more absorbent than cotton & has natural antibacterial properties Antiallergenic Amicor filling, prevents build up of bacteria & dispels dust mites that are linked to Asthma & Eczema 100% cotton outer Full zip open front for easy access night time nappy changing Zip guard to prevent the zip scratching babies skin