Adjustable wings can be wrapped around the belly to provide a sense of security.
Nest Designs Organic Cotton Startle Stop Sleep Bag Meerkats Away! 0. - 3-piece set includes sleeveless sleep bag, removable velcro swaddle wings and removable velcro swaddle arms- 2-way zip and button snaps make midnight diaper changes a breeze- 0.) Startle Stop Sleep Bag Small (NB-3M) 7-12 lbs 19-22 Swaddle Sleep Bag Small (NB-6M) 7-14 lbs 19-25 Startle Stop Sleep Bag Medium (6-12M) 14-23 lbs 25-27 Swaddle Sleep Bag Medium (6-18M) 14-25 lbs 25-30 Large (12-24M) 22-30 lbs 30-39 Size Chart Once your baby has outgrown the need for a swaddle, simply detach the wings and use it as a regular sleep bag.5 TOG.