How much does this cost to the nearest dollar?

Aviditi TYVEK Flat Self-Seal Envelopes, 10 x 13, White, Top Opening, Tear and Moisture Resistant Mailer, for Shipping Important Documents, Promotional Materials and Brochures, Case of 100
Quality Park Tyvek envelopes provide superior puncture, tear and moisture protection. Constructed from 14 lbs olefin. Ten times stronger than paper envelopes. Feature self-seal closure. Measures length by width. Tyvek envelopes provide superior puncture, tear and moisture protection Constructed from 14 lbs olefin Ten times stronger than paper envelopes Feature self-seal closure Measures length by width Brand Tyvek, Color White, Closure Type Self-Seal, Material Olefin, s 100, Dimensions 14.1 x 11.4

Price is $80.00
Price: $79.71