The Peanut Shell Adjustable Sling - BlackThe Peanut Shell Adjustable Sling - BlackWe get it; parenting takes some adjusting. Now you have a fashionable, durable and comfortable baby sling in just one size. What could be easier? Our sling is truly one size fits all and features a no-slip safety strap, perfectly sized pouch and padded rails that make our sling the safest for you and your baby. We use a cotton stretch, single layer sling design that gives like a pair of stretch jeans featuring 97% cotton and 3% spandex. Recommended for use with babies between 8 and 26 pounds