Best deal: $0.08 per count (45.5% below the median) — KKBESTPACK Poly Mailers Envelope Shipping Bags, 6" x 9", White, 100...
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![Large Poly Bags for Shipping [100 Pack] Water Resistant Self Sealing Package Mailing Envelopes #4 (10" x 13")](https://m.media-amazon.com/images/I/413c7GzfcwL._SL160_.jpg)