Zen Sack® Quilted & Zen Sack™ Classic 2-Pack

"The first night using this my 4 month old went from sleeping 3 hours to a full 8!" -Lauren M. About Safety Size Fabric Details & Care The gently weighted Zen Sack™ Classic and Zen Sack® Quilted echo your reassuring touch on baby’s chest, so your little one always feels comforted and secure, like in your embrace! - Helps transition from any swaddle- Can be worn backwards by tummy sleepers who can roll independently- Zen Sack Classic is perfect for year-round comfort-Zen Sack Quilted is made from 100% cotton and plush poly-fiber filling Bundle includes: 1 Zen Sack® Quilted 1 Zen Sack™ Classic - Gently weighted, designed to mimic your touch- Applies gentle pressure no more than a human palm or car-seat chest clip- Passes mandatory children's product tests- Hip-healthy. Does not hinder mobility Small:- Age: 0-6 months - Weight: 7-18 lbs / 3-8 kgs - Height: 21-30 inches / 53-76 cms Medium:- Age: 6-15 months - Weight: 16-26 lbs / 7-12 kgs - Height: 26-33 inches