Nested Bean Zen Sack®- Gently Weighted Sleep Sacks | Baby 0-6M | TOG 0.5 | 100% Cotton | Eases After Swaddle Comfort | Aids Self-Soothing | 2-Way Zipper | Machine Washable

DESIGN Your reassuring touch can signal comfort, security and love to your baby, allowing them to calm and sleep peacefully. Based on the medically proven benefits of touch, the Zen Sack includes a lightly weighted area on the chest which gives the sensation of a caregiver's palm. Parents who have used the Zen Sack say their babies get up to two additional hours of nighttime sleep within 1-3 nights. TWO WAY ZIPPER SYSTEM Two zippers open and close almost the entire perimeter of the Zen Sack, making mid-sleep diaper changes a breeze. This design also makes putting on and taking off this sleep sack super easy, even with only one arm available. SIZING Comes in 0-6 months (7-18 lbs, 21-30 in), 6-15 months (16-26 lbs, 26-33 in) and 15-24 months (26-36 lbs, 31-38 in). Adjustable shoulder snaps allow for a snug fit. MATERIAL Made from 100% luxuriously soft cotton for your baby's tender skin, it is washer and dryer safe. The weighted pad is filled with non-toxic poly beads, the same as you fin