You are looking at Aegis brand 4 mil black static-conductive LDPE plastic bags.
These are premium, FDA/USDA approved, heat sealable poly bags. They work well for keeping your items clean and protected from moisture during storage and shipping.
Please contact us for discount pricing of larger quantities.
Photo is for example of bag style only. Dimensions listed represent actual size. Sizes are listed in inches. Free samples available upon request.