250 ml Borosilicate mug.  Thick, lab grade glassware.  Graduations up to 200 mL.

Update: Since this post was published the price, availability or promotion has changed.  Check the product page for current description, price and availability.  Also: Today’s Deals on Amazon

Premium Hand Crafted Beaker Mug, Thick Borosilicate Glass, 8.4oz (250mL) Capacity – Small Size – Tea or Espresso Sized

Inkbird Vacuum Sealer Machine with Starter Kit, Automatic PowerVac Air Sealing Machine for Food Preservation, Dry & Moist Sealing Modes,Built-in Cutter,Easy Cleaning Storage

$58.99 -$14.87 $44.12

Gamma2 Vittles Vault Dog Food Storage Container, Up To 50 Pounds Dry Pet Food Storage, Made in USA

$36.99 -$1.48 $35.51

FLOTit 2.0 - No Beer Left Behind Floating Dip Tube with Double Filter Inlet (DFI) of 500/300 micron for always clear beer, less beer waste and no clogging. Made in USA.

$29.00

OxiClean Free Versatile Stain Remover Powder, 3 lb

$8.99 ($0.14 / load)

Inkbird WiFi ITC-308 Digital Temperature Controller Thermostat Remote Monitoring Controlling Home Brewing Fermentation Breeding Incubation Greenhouse

$49.99