15" x 18" - 4 Mil Anti-Static Flat Poly Bags. Heavy-Duty, pink Anti-Static Bags protect electronic components from static build up as well as dirt, dust and moisture. Bags are manufactured from pink, anti-static polyethylene film. Close bags with twist ties, bag tape or by heat sealing. Available in case quantities. 500/Case.SHPPBAS1243. PBAS1243. Shoplet select Shoplet select 4 Mil Anti-Static Flat Poly Bags.