Online Lowest Wholesale Pricing. Our extra thick 2.5 Mil self-adhesive Suffocation Warning Bags are made with premium-grade, virgin Polyethylene. Our poly bags are extra durable, reinforced and offer extra protection for packaged merchandise. Save Time: Easy Peel & Self Seal Adhesive Strip for quick, efficient packing- No tape or warning labels needed. Permanent, powerful adhesive ensures that the poly bag is securely sealed throughout the entire shipping process. Printed with Anti-Suffocation Warning label in English, Spanish, & French languages - Amazon FBA, FDA and USDA compliant.