Baby Sleep Bag will help keep your baby at a perfect temperature all year round. That means there’s no need to worry about which weight sleeping sack to use, or whether your baby will be too hot or cold while sleeping – they’ll always be just right!It’s 100% natural, fully machine-washable, and is excellent value because it comes in one universal size that fits babies from 2 months to 2 years. This is the only wearable blanket your child will need, right up until they turn two.PRODUCT FEATURESDouble shoulder snaps on both sides for easy dressingUnder-arm snaps to adjust the fit for smaller babiesTwo-way side zipper so you can open it from bottom for diaper changes, or from top - for easy dressingZipper is sewn inside lining so it won't scratchSeat-belt slots for easy transfer between crib, stroller, bouncer, ...Tag-less back ensures itch-free wearGenerous fit to let baby move and kick, promoting healthy hip developmentSilky-soft Merino wool creates a micro-climate around baby's body, wicking moisture away and regulating body temperatureZipper-pull guards to protect child’s skin and discourage child from chewing on the zipper pull