About this item
Highlights
- 12 oz tumbler made of durable stainless steel
- Leak-proof silicone straw
- Vacuum insulation keeps drinks cold
- Top rack dishwasher safe, do not microwave
- Recommended for kids age 3+
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Q: Is the stainless steel 100% stainless steel or mixed with other metals ?
A: Does anybody have a problem with it leaking through the lid where it’s screwed on ?
submitted bySteph - 1 year agoA: We do not mix non-traditional elements with our stainless steel. Our stainless steel is 100% stainless steel utilizing the industry standard elements. The primary elements for stainless steel are iron and chromium.
submitted byZak Designs Support - 1 year agoBrand expert
Q: Did Zak fix the issue of the decals rubbing off?
A: Only a certain couple tumbler models in certain factories have had decal issues but it is not something that affects all Zak tumblers, most are not affected.
submitted byZak Designs Support - 2 months agoBrand expert
Q: Is the silicone straw BPA free?
A: Yes, all Zak Designs items have been 100% BPA Free since 1995.
submitted byZak Designs Support - 2 months agoBrand expert
Q: Mine didn't come with a straw in the inside. Is it supposed to have a straw?
A: Yes, the Kelso uses a straw, please reach out to Target or Zak for a replacement straw.
submitted byZak Designs Support - 7 months agoBrand expert
Q: Is it 18/8 or 18/0 stainless steel?
A: 18/8
submitted byZak Designs Support - 8 months agoBrand expert
Q: Does anybody have a problem with it leaking through the lid?
A: Please reach out to our amazing Customer Care Team at customerservice@zak.com , and we will do everything we can to remedy this for you.
submitted byZak Designs Support - 1 year agoBrand expert
Q: How long does it keep liquids cold?
A: Hi Rose, Kelso stainless steel tumblers are rated for 10 hours cold.
submitted byZak Designs Support - 1 year agoBrand expert
Q: Is the straw soft silicone?
A: Hello from the Zak Consumer Care Team, The spout that is on top is flexible silicone and the internal straw is hard plastic.
submitted byZak Designs Support - 2 years agoBrand expert