Small: 27"L x 11"W x .05"H; newborn: 22.75"L x 11"W x .05"H; Includes 1 SleepSack Swaddle; The only 3-way adjustable swaddle that adjusts to fit baby's sleep style; Swaddle with arms in, hands-to-face, or with one or both arms out to ensure baby's best sleep; Adjustable fasteners for perfect fit; allows for easy diaper changes; scratch-free zipper covers; Nestles baby like a soft blanket without the risk of sleep-related dangers, so baby can sleep both comfortably and safely; Signature "Back is Best" embroidery is a gentle reminder to place baby in the recommended sleep position; Features a 2-way zipper for easy diaper changes and a roomy sack design that's recognized by the International Hip Dysplasia Institute as promoting healthy hip development; #1 choice of hospitals nationwide; Immobilizes arms to prevent startle reflex or scratching; Premium fabric; no added chemicals; Available in two sizes for babies 0-6 months; Use over regular sleepwear; Safety Reminder: To reduce risk of fabric accidentally covering baby's mouth or nose, swaddle must be appropriately sized, snug, positioned around baby's torso and securely fastened; Always place your baby on their back for sleep. And, never place anything in the crib with your baby. No pillows, bumpers, toys or loose blankets; The American Academy of Pediatrics recommends the use of wearable blankets to keep your baby warm; 1-year limited warranty; Imported