100 New resealable plastic bags. 4 mil tough and durable; these are 100 reclosable plastic bags. These high quality reclosable plastic bags allow you to have the bags you use most on hand; great for storage and shipping of small parts or supplies; for packaging, hardware, beads, hobbies, retail,classroom, and crafts. The reclosable seals open all the way to the edges of the bags giving you full use of the interior. Each has a strong 4 mil thickness and measures approximately 4" x 8".