9" x 12" Metallic Insulated Yeast Mailer
Put away any concerns about shipping yeast in warm temperatures. This insulated mailer bag can hold up to 4 White Labs yeast packages and 2 Omega yeast pouches plus the ice packs. It will keep the yeast cold for 24 hours after packaging.
- Cushions and insulates for up to 24 hours.
- Interior leakproof zipper, exterior self-seal strip.
- 1/2" Thick foam interior with metallized poly exterior.