Length: 5 Width: 5 Height: 2 Shop our selection of blank baby wearable sleep sacks from The Laughing Giraffe. These sleep sacks provide infants with a soft and comfortable blanket-like sleeping sack they will love. Made from 100% Cotton with an Interlock Knit makes these wearable sacks are ideal for regulating a newborn's temperate, providing the feel of being a help and reducing the risk of SIDS. Our blank baby wearable sleep sacks have been designed for personalization - perfect for custom screen printing, heat transfer vinyl (HTV) and embroidery.