A grobag baby sleeping bag is a safe alternative to blankets and top sheets that will keep your baby at a comfortable temperature all night long. A safe and sound night's sleep for your baby means peace of mind and more sleep for you! Not just a cold weather product, grobag has developed a sleeping system that means your baby will be safe and comfortable all year round. In 3 sizes, 3 different TOG's (warmth's) and a beautiful array of fabric's there is a grobag baby sleeping bag for every child no mater what the weather. * 2.5 tog - Ideal for standard nursery temperatures of 16-20 degrees * 1.0 tog - Use when in warmer weather and in nurseries of 20-24 degrees * 0.5 tog - For hot weather and very warm nursery environments of 24-27 degrees