Therapak offers double and five-slide mailers made of natural polypropylene. This material allows for easy viewing of the internal mailing chamber. The mailer holds 3" x 1" slides. Two-slide mailer also available in opaque blue.
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To bring you a more unified experience across our broader Avantor portfolio of brands, we have re-branded therapak.com to Avantor. Functionality and access to the products you need has not changed.