Metallic Insulated Yeast Mailer - 9" X 12"

Worried about shipping yeast in the summer? Look no further! This metallic insulated yeast mailer keeps your yeast cold for an additional 24 hours. It can safely hold up to 4 white lab yeast and ice packs or 2 Omega yeast and ice packs.

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Specifications:

• Cushions and insulates for up to 24 hours.
• Interior leakproof zipper, exterior self-seal strip.
• 1/2" Thick foam interior with metallized poly exterior.