Zip closure. Polypropylene or polypropylene/polyethylene mix.Note: these items come from various suppliers. A size medium, for example, from one supplier, might not have the same measurements as that size from another company. Be sure to check measurements before ordering!
Warning:This product may expose you to chemicals including Nickel, Chromium, or Lead, chemicals known to the State of California to cause Birth Defects and/or Cancer. For more information go to www.P65Warnings.ca.gov