Blank. With a flap closure for easy access, this basic sleeve also offers weather resistance thanks to its neoprene fabrication. 100% neoprene with a polyester shell. For best results, silk screen or heat transfer only. Dimensions: 10.5"h x 8.5"w x 1"d. Note: Bags not intended for use by children 12 and under. Includes a California Prop 65 and social responsibility hangtag .