Keep baby calm and comfortable as they drift off to sleep in this slim yet stretchy, organic-cotton wearable blanket ideal for year-round use. A convenient alternative to swaddling, this stretchy sack soothes your little one while its generous shape and sleeveless design allow freedom of movement. The 2.5 TOG rating makes it ideal keeping baby warm and cozy. Two-way front-zip closure Arms-out sleeping Bell-shaped bottom approved by the International Hip Dysplasia Institute for being hip healthy and promoting proper development in the hips and shoulder joints 2.5 TOG suited for room temperatures between 63-73°F Lined, with organic-cotton fill 95% organic cotton, 5% elastane Machine wash, tumble dry Imported Seal of Acceptance from the National Eczema Association