Grobag baby sleeping bags can be a real help in establishing the bedtime routine and will also help your baby stay warm and comfortable through the night.The Bubbles print baby Grobag is the ideal sleeping bag for babies at home or on the move and can be used with cars, pushchairs, buggies, strollers, planes or in the cot. It has a two-way front travel zip and back vent fastened with Velcro for effortless transfer from cot to car seat or buggy.Never use a sleeping bag with a duvet.