Poly String Envelopes are a perfect choice for packaging and marketing. These durable Poly String Envelopes have a 1-1/4 inch expansion and are available in 5 colors plus an assorted pack. Poly String Envelopes are ideal for media kits, trade shows, and delivering a high-end presentation.

Crystal Clear, Durable and high class, Poly Tuck In Envelopes are flat and suitable for high end product when you want to make an impression. The Tuck-In flap makes for easy opening and closing, and these are available on the floor, ready to ship today. Available in crystal clear only.

Poly Envelopes (polypropylene envelopes) are crystal clear and designed especially for the mail. Postal Approved by the USPS, these envelopes come in a variety of sizes and all have a peel and seal. The closure is on the 1st measurement end. Show off what you're mailing with these Clear-Pak Peel & Seal Envelopes!

Poly Envelopes (polypropylene envelopes) are crystal clear and designed especially for the mail. Postal Approved by the USPS, these envelopes come in a variety of sizes and all have a peel and seal. The closure is on the 1st measurement end. Show off what you're mailing with these Clear-Pak Peel & Seal Envelopes!

Poly Envelopes (polypropylene envelopes) are crystal clear and designed especially for the mail. Postal Approved by the USPS, these envelopes come in a variety of sizes and all have a peel and seal. The closure is on the 1st measurement end. Show off what you're mailing with these Clear-Pak Peel & Seal Envelopes!