How much does this cost to the nearest dollar?

Survivor R1330 Tyvek Open-End
Lightweight, moisture- and rip-resistant mailers made of DuPontTM Tyvek help to reduce shipping costs. Clean, crisp look conveys a professional image. Flap-Stik peel-and-press flap seals securely. Sold as Clean, crisp look. Self-adhesive closure. Water and moisture resistant. Patented releasestrip makes envelopes easy to open. Lightweight to save on postage costs. Convenient Flap-Stik closure requires no moisture to seal. Manufacturer QUALITY PARK PRODUCTS, Brand Quality Park, Weight 1.28 pounds, model number Is Discontinued No, Color White, Closure Self-Seal, Material Type Paper, s 100, Size 6 x 9, Sheet Size 6 x 9, Manufacturer

Price is $51.00
Price: $50.99