Button-End closure ?Plus Velvet Design Keep your baby warm in cold weather: Soft warm fleece liner, the sleeping bag is thickened, feels softer and much warmer than ordinary blanket swaddle. ?Superior acrylic fiber knitting wool, delicate knitting craft, exquisitely crocheted and hemmed, no yarn off and quite durable. ?Double-breasted button provides instant closing and opening, more convenient to change diaper or take on and off. ?All-round coverage from foot to head, hooded and foot wrapped, to warm you baby all body . ?Multi-purpose baby sleeping bag, blanket in baby stroller, quilt in baby crib, swaddling for outings, wrap in air-conditioned room in summer, footmuff/sleeping sack/envelope bag for autumn and winter.