EUC -Swaddle UP Allows You to Safely Swaddle Snug Fit Calms Startle Reflex -Uniquely designed with stretchy fabric with a snug fit to keep baby comfortable & feel secure. While it may seem tight & small, the stretchy fabric allows a comforting fit. -Arms up wing design allows babies to self-soothe & reduce risk of rolling over -No excess or loose fabric in the crib -Hip-Healthy design allows hips & legs to move freely in comfy sleeping sack -Award Winning: Best for Baby Awards, Parents Magazine 2020; Mom's Choice Awards; Best Baby Gear: Swaddles, Eco-Excellence Awards 2021 Bundle and save! I have lots of other baby clothes and gear. Questions welcome