Adjustable Strap with clip on Buckle. 65% polyester, 35% cotton apron. Natural is 100% cotton canvas. Fabric: Strong 65/35 Poly Cotton Twill PRICING 12-23 = $5.95 24-71 = $5.65 72-144 = $5.10 Embroidery and Screen Printing is Welcome! Decorating is additional.