HALO SleepSack replaces lofties, blankets and duvets, preventing your baby's face from closing and breathless. In addition, the first 6 months of infants, 'moro reflex' which causes the movement of arms involuntarily by preventing the babies to sleep longer and more peaceful. It is the first and only swaddle in the world that can be used in 3 different ways. By allowing only one arm to be set on fire, it allows your baby to leave a selfie with a smooth transition when the time comes. It was approved by the International Institute of Hip Dysplasia as a "healthy hip" product, as it did not cause hip dislocation with its expanding design. You can change the diaper of your baby with the zipper system from the bottom upwards. All HALO Sleep products are OEKO - Tex certified. It does not contain any harmful substances. Maintenance Instruction We recommend washing the product in similar colors at 30 ° C. Do not forget to turn the inside of the product and zip fasteners and Velcro fasteners before each wash. not ironed.