Known for their expertise in safe sleep, HALO® created the original SleepSack® Sleeping Bag with both safety and comfort in mind. This 0.5 TOG sleeping bag with sleeveless design nestles baby without the risk of sleep-related dangers. With an inverted zip for easy nappy changes. A roomy sack design recognised by the International Hip Dysplasia Institute as promoting healthy hip development. Tested to comply with British Safety Standard (BS EN 16781:2018). Sizing and Out of Packaging Dimensions: 0-6M | 51-69cm + 3-8.5kg | 57 cm x 38 cm - This sleeping bag runs small and is best suited for newborns / 6– 18M | 69-84cm + 8.5-11.5kg | 77 cm x 51 cm - This sleeping bag runs small, please size up if baby has surpassed either 84cm in height or 11.5 kg in weight. 18–36M | 84-98cm + 11.5-15.5 | 105cm x 62 cm. Ideal for warmer temperatures. Can be layered with warmer sleepwear. Machine wash cold. Always place your baby on their back for sleep. WARNING! Do not use if the child can climb out of the cot. WARNING! Do not use in combination with other bedding items (e.g. cot duvet).