Minigrip AN ITW Company Minigrip Reclosable Bags - Made of clear polyethylene to ensure durability Minigrip AN ITW Company 6" x 4" Minigrip Reclosable Bags are made of clear, 2 mil thick polyethylene to ensure durability. They can be used to carry various objects securely and each case contains 1000 bags. Type: Bags. Color: Clear. Size: 6" x 4". Features: Reclosable Zipper Bag Can be Used More Than Once. Bag Thickness: 2 mil. 1,000/case. Sold as 1000/Carton.