Poly/Spandex Blend Imported Cozy Zipadee-Zip Sleeper: Our comfortable Zipadee-Zip swaddle transition sack acts as a wearable blanket that not only keeps your baby warm and cozy, but acts as a swaddle transition as well. The unique starfish design provides the comforting, enclosed feeling of the swaddle but without limiting your baby’s full range of motion Ultra-Safe Design: Our swaddle allows your baby to push up, roll over, and wiggle safely without getting tangled in loose blankets Easy to Use and Care For: Unlike muslin swaddle blankets or complicated baby wraps, our swaddle designs are easy to use. No confusing folds or wrapping necessary. Simply place your baby in the starfish shaped Zipadee-Zip and zip it up. Easy to care for: wash inside out and tumble dry low