A bundle of our best selling Goldie and both a Quart and a Pint Jar. A US/Canadian USB adapter is included as well Available in USA & Canada only. "Simple...Stress-Free...Gorgeous" - The Kitchn Goldie by Sourhouse™ provides just enough warmth to keep a sourdough starter consistently in the “Goldilocks Zone” of 75-82ºF (~24-28ºC) where it is the most active and healthy, so bakers can bake their best bread all year round without warming up their whole house. This big bundle includes: 1 - Goldie by Sourhouse1 - Sourhouse Cooling Puck1 - Sourhouse Starter Jar - Pint1 - Sourhouse Starter Jar - Quart1 - USB-to-wall Adaptor - US/Canada 1 - Goldie Quick start guide 1 - User Manual / Tech sheet: English, Spanish, French, German, Italian, Danish, & Dutch (both Goldie & Jars) Goldie by Sourhouse Features: just enough heat to safely warm a starter to 75-82ºF (~24-28ºC) a small footprint with the capacity to hold up to a quart sized jar an auto-warming on/off switch a transparent, borosilicate glass cloche so bakers can see their starter from anywhere in their kitchen a simple three-zone thermometer (indicated with blue, gold, and red lights) that helps bakers understand their starter’s behavior and anticipate their time to bake a Sourhouse Cooling Puck for the occasional need to cool down a starter in a too hot room in preparation for baking. USB plug (works worldwide) works with any local USB-to-wall adapter operating voltage is 100~240V, 50~60Hz low energy use - draws max 5w! food safe water resistant cleans up with a moist sponge, cloth or paper towel works with any jar that fits inside Certifications: FCC, California Prop 65, IC (Canada), CE - EMC & LVD, UKCA - EMC & LVD, Rohs, Reach, and RCM Sourhouse Starter Jar  Features: designed to be the easiest-to-clean sourdough starter jars in the world. no threads where your starter can collect and gunk up soft, silicone lid hugs the outside of the jar to keep contaminates out of our jar dry starter flakes off the lid with a squeeze jars have a flat bottom, for efficient warmth transfer in Goldie clear, strong borosilicate glass - easy to see your starter grow straight sides so it is easy to mix, clean and track the rise of your starter On the sides of each PINT size jar are dots in 50ml and 100ml increments for judging when your starter has doubled (or tripled). QUART size jar has 100ml and 200ml dots for those of you who like to keep larger starters or to build a levain in advance of a bake. enough clearance inside Goldie to use a Sourhouse Cooling Puck. Each jar comes with a gold silicone marking band too. Certification: FDA, Food Safe Material (EU / UK), LFGB (Germany)