· Ergonomic & Safe - KeaBabies 2-Pack Soothe Baby Sleep Sacks, patent-designed, keep your baby safe and comfy. These full-length wearable blankets for infants 0-6 months feature a wide hip area for natural movement during sleep.· Our Soothe Sleep Sack for babies is made with ultra-soft Organic Cotton (GOTS Certified by CU 1042833). It is lightweight and highly breathable, making it a highly-raved 0.5 TOG baby sleeping sack for all seasons.· Soft & Gentle - Use our baby sleepsack as a wearable blanket. We use quality and durable materials and zip, which are highly functional for changing and diapering. An ideal newborn sleep sack for sleeping.· Smart Design - The Soothe Sleep Sack is designed with the right snugness to provide a cozy and comfortable sleeping experience. Quality sleep encourages healthy growth and development. The perfect transitional swaddle sleep sack for sleep training.· Durable and Lasting - The FabTech 2-way stretch knit makes the Soothe Baby Sleeping Bag extra durable, machine washable, and lasting. This proprietary knit allows your baby to enjoy a comfortable and calming swaddling experience.