Happiest Baby SNOO Sleep Sacks Gently used, some have never been used. No stains or tears. Moderate wear on some of the Velcro inner flaps - still functional. 3 white pictured on the left - S, M, & L are WITHOUT inner leg flap and have inner arms flaps. 3 Blue and gray pattern S, M, & L have inner arm and leg flaps. 2 white on the left - S & M have inner arm and leg flaps. All have option to have arms out - button arm holes. For use with SNOO - please refer to happiest baby website for details.