Outdoor Stadium Blanket for Camping Picnic Baseball Logo 48x59 Water Resistant. Black & gray Designed for outdoor events, this blanket has a water-resistant woven backing and a soft fleece face. 1.8 ounces, 100% polyester fleece, 100% polyester Not sure what team the “S” stands for. The zipper is for doing the embroidery on it. You could carry things in it.