Zak! Stainless Steel Double Wall Kelso Tumbler – Bluey – 12 oz

"Shipping was faster than I expected. Battery lasts a full day of use. I use it in the garage most evenings. Exactly what I needed."

Dennis Khan Jun 11, 2026

"The team was responsive when I reached out. Cushioning is supportive after hours. I've been using it daily for about two weeks now. Slightly heavier than expected, still well balanced though. I'm in San Diego, CA. Glad I went with this one."

Travis Reed Aug 4, 2026

"Came earlier than the promised date. The finish is clean with no rough edges. Brought it to a tailgate and it performed. Five stars from me."

Barbara Chen May 1, 2026

"Got the charcoal one and the compartments keep everything organized. I've been using it daily for about two weeks now. Would buy again."

Betty Watson Aug 13, 2026

"Got the navy version and it feels sturdy in the hand. Used it during a move and nothing shifted. Button is a bit stiff at first but loosens up with use. Shipping was quick and the item delivered."

Nicholas Patel Jun 25, 2026

"Ordered the 3-pack on sale and the color matched the listing exactly. It lives in my gym bag now. Worth the money."

Tyler Gonzalez Aug 5, 2026

"Got the olive green and the connectors click in securely. Brought it to a tailgate and it performed. I'm in Salt Lake City, UT. Happy with my purchase."

Nancy Harris Jul 1, 2026

"Picked the blue one and the finish is clean with no rough edges. Took it on a road trip last weekend. Couldn't ask for more at this price."

Karen Howard Aug 7, 2026

"Got the travel size and it fits true to size with no surprises. Brought it camping and it held up fine. I'm in Minneapolis, MN. Definitely a repeat customer after this."

Carolyn Garcia Jun 22, 2026

"Ordered the limited edition and it does exactly what it's supposed to do. Used it at the desk for video calls all month. Button is a bit stiff at first but loosens up with use. Five stars from me."

Brenda Turner Aug 2, 2026