Ziploc Sandwich Bags help keep food fresh and feature our unique Grip 'n Seal Technology and extended tabs for easy opening and closing. They are convenient for your life on the go, travel, work or school lunches. If you love a double-decker sandwich or a hearty roll, XL Sandwich bags are 40% larger than our standard sandwich bags and are ideal for larger bread sizes. Mindfully made so you can use, reuse, then recycle. BPA Free. Grip 'n Seal Technology for easy opening and closing Designed to seal in Freshness Extended tabs for easy to grip and open Perfect for on the go lunch and snacks Strong enough to use again. Made of durable and long-lasting plastic (BPA free) Mindfully made so you can use, reuse, and recycle..