Mars Potato Jones Travel Mug
Quiet Icon. Kansas Grown. Conservation in Motion.
This isn’t just a mug - it’s a mission in your hands.
Featuring a vintage-style illustration of Mars Potato Jones, the real pygmy hippo raised at Tanganyika Wildlife Park, this premium travel mug carries the warmth and spirit of Kansas conservation wherever you go.
No gimmicks. No fluff. Just authentic Mars - calm, curious, undeniably potato-coded - honoring one of the rarest animals on Earth with every sip.
Your purchase fuels real impact:
🌍 100% of profits support The Mars Project, Tanganyika Wildlife Park, and global conservation efforts.
🔁 Strengthens The Mars Project’s mission & community economy.
This mug isn’t merch.
It’s a statement - for purpose, planet, and the world’s most charismatic hippo.
Mars Potato Jones - Grown in Kansas. Carried everywhere.
More details
- Made with stainless steel and BPA-free plastic
- 25 oz (739 ml) - upper diameter: 3.3″ (8.4 cm), bottom diameter: 2.7″ (7 cm), height: 7.9″ (20 cm)
- 40 oz (1183 ml) - upper diameter: 3.9″ (9.9 cm), Bottom diameter: 2.9″ (7.4 cm), height: 10.4″ (26.5 cm)
- Insulated
- Hand-wash only
- Product is not microwave-safe.
- Keeps hot drinks hot for up to 6 h, and cold drinks cold for up to 8 h
- Fits into most car cup holders
- Spill-proof plastic lid
EU GPSR Product Information:
- Manufacturer contact information
- Name: The Mars Project
- Email: the-mars-project-shop@support.fourthwall.com
- Postal address: PO Box 5696 Santa Monica, CA 90405
- Additional information: This product is made for adults. To prevent steam pressure buildup, always open the lid before placing it on a hot drink. Meets the lead, cadmium and heavy metal level requirements. 2 year warranty in EEA and UK, established by Directive 1999/44/EC.
Size & Fit
25 oz (739 ml) size:
- Height: 7.9″ (20 cm)
- Upper diameter: 3.3″ (8.4 cm)
- Bottom diameter: 2.7″ (7 cm)
40 oz (1183 ml) size:
- Height: 10.4″ (26.5 cm)
- Upper diameter: 3.9″ (9.9 cm)
- Bottom diameter: 2.9″ (7.4 cm)
Quality Guarantee & Returns
- Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
- Because the products are made to order, we do not accept general returns or sizing-related returns.