The Tuff Tumbler · 40 oz
Knurled steel cut to a barbell, and the design patent sits on it.
Patented barbell handle · 1-year warranty
Typically ships in 1 to 2 business days. Calculated at checkout.
Thirty days to send it back. Change of mind, return postage comes out of the refund.

Knurled like a barbell and patented. It is the one thing no other 40 ounce has.

Forty ounces means you fill it once and stop walking back to the fountain.
Cross-section · two walls
Two walls of 304 stainless with the air pulled out from between them.
Verified buyers
“The knurling feels like a barbell…”
“Knurling feels nice and it feels like it’ll last.”
Forty ounces to the line. One fill covers a full session.
10.8 inches tall, 6 inches across the handle, 2.94 inches at the base. 1.6 lb empty.
The lid twists off to fill. The straw lifts out, and a replacement lid is sold on its own.
Dishwasher safe. The body is 304 stainless and the mark is laser-etched, so nothing peels off.
Orders placed Monday to Friday typically ship within 1 to 2 business days. The rate is calculated at checkout based on weight, destination, and service level.
Returns are accepted within 30 days of delivery if the tumbler is clean, dry and resellable. If it arrives damaged, defective or wrong, we cover the return shipping. On a change of mind the return shipping is yours and comes out of the refund.
One year against manufacturing defects, on the body and on the handle.

Patented barbell handle · 1-year warranty
Typically ships in 1 to 2 business days. Calculated at checkout.
Thirty days to send it back. Change of mind, return postage comes out of the refund.