The Zen Sack™ is a safer option to loose blankets. Its Cuddle Pad mimics the gentle feel of your hand to help baby sleep soundly, with fabric options for each season. Grows with your baby 4 TOG options for any temperature Mimics your touch to help baby self-soothe and sleep sounder Adjustable shoulder snaps for a custom fit as baby grows Side zipper makes changing easy without waking baby Two-way zipper makes diaper changing easy without undressing Gently eases transition from swaddling Previously worn but still in great condition with no stains or holes.