Includes 4 ice packs and an insulated mailer to help keep your liquid yeast cold during transit. The Insulated Mailer option is a great way to extend the length of time your ice remains cool! These special envelopes contain self expanding foam, which creates a form-fitting container that protects and insulates liquid yeast. This upgrade includes the Insulating Envelope and 4 Ice Packs.

This option fits a number of yeast vials, pouches, or cans, and is made from thick foam insulation. Because different yeast take up different space, each producer will fit a different quantity in this mailer. See the chart below for what quantity of what yeast will fit inside.

Yeast Producer / Brand	Quantity that will fit in Insulated Mailer
White Labs	22
GigaYeast	12
Wyeast	12
Imperial Yeast	5
Omega	6

If you aren't ordering this many yeast and want a smaller insulated mailer, check out our ICE1.

To purchase, simply add however many Insulated Mailers will be needed to contain however many yeast are in your cart.

Please Note! Any additional yeast will be shipped outside of the mailer. This option includes ice, and no additional ice needs to be purchased.

Please note - Liquid yeast will not arrive cold even when shipped with ice packs. Ice packs and insulated mailing options are designed to keep the yeast colder for longer during shipment, but they will not ensure that your yeast arrives cold. We will not replace liquid yeast that arrives warm. During warmer months we strongly recommend you choose dry yeast.

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Ice Packs For Yeast (Klaviyo Exclusions)

Ice & Insulated Mailer for Liquid Yeast - Large

Ice Pack For Liquid Yeast