Specifications: MATERIAL: PE SIZE: 2.3 "x 3" /60mm x 80mm (W*H) ONE SIDE THICK: 0.002"/2Mil INCLUDES: 100pcs plastic bags Why You Choose Our Clear Poly Zipper Bags: 1. HIGH QUALITY: made from polyethylene (PE), they meet requirements for food contact and storage 2. EASY TO OPEN: Separate the two sides of the bag's top lip and use your thumbs to gently pull the zipper track apart 3. GOOD SEALING: When you close the zipper, pinch together one end of the zipper and slide your finger and thumb along the zipper, remember to squeeze excess air out of the bag Service: We love our customer, your satisfaction is our priority, contact us if you have any question, we will try our best to solve any problem you meet.