Lightweight, clear poly bags designed for protecting business cards, small documents, and promotional materials. These 4x7 inch flat poly bags provide economical protection for business cards, postcards, small photos, and promotional inserts. Made from 100% virgin Low Density Polyethylene (LDPE) resin meeting FDA/USDA food-contact compliance standards, these bags offer excellent clarity for showcasing your materials while protecting them from dust, moisture, and handling. The 1 mil thickness provides a lightweight, flexible solution ideal for networking events, trade shows, retail counters, and office environments. Each bag features a durable bottom seal that ensures reliable performance without adding bulk. LDPE material delivers superior clarity compared to recycled alternatives, keeping your business cards and materials looking professional. Key Benefits: Excellent clarity displays printed materials without distortion Lightweight 1 mil gauge keeps mailing costs low Versatile closure options: heat seal, tape, tie, or staple FDA-compliant LDPE resin safe for food-contact applications Durable bottom seal prevents splitting under normal handling Specifications: 4" x 7" | 1 mil | LDPE | 1000/case | FDA-compliant Common Applications: Business card protection, networking event materials, promotional postcard packaging, small photo storage, retail receipt bags, cosmetic sample packets, jewelry component bags, seed packets, craft supply bags, small parts packaging What are flat poly bags used for? Flat poly bags are versatile, open-end bags used for protecting, organizing, and displaying lightweight items like business cards, documents, small parts, and retail merchandise. They can be sealed with heat, tape, ties, or staples depending on your needs. What does 1 mil thickness mean? 1 mil equals 0.001 inches in thickness. This lightweight gauge is ideal for protecting non-fragile items like paper goods, cards, and small lightweight products while minimizing material costs and keeping packages light for shipping. Are LDPE bags food safe? Yes, these bags are made from virgin LDPE resin that meets FDA/USDA compliance standards for food contact. They are suitable for dry food items, samples, and ingredients when used as intended for food packaging applications.