Snuggle up – this easy to use snuggle allows you to swaddle your baby with arms tucked in for total snugness or arms out, making it perfect for transitioning baby from swaddles to baby sleep bags. Hip healthy accreditation – designed to be snug on top but are specially designed at the bottom to allow a natural hip-healthy leg position, as approved by the international hip dysplasia institute. Easy nappy changes – all bags have an easy zip opening that’s perfect for night-time nappy changes, meaning you can unzip from the bottom for a quick-change keeping disturbance to a minimum. Super soft cotton rich fabric– made for comfort our snuggle is designed using soft cotton rich fabric, fluorescent free, better for baby and is machine washable so better for you! Safer sleep is better sleep- keeping your child at a safe temperature while sleeping is essential. all our products have been safety tested and approved and are proven to be safer than loose bedding. 4M 1.0Tog.