Grumper Defense! Tumbler
Stay fired up. Stay hydrated. Carry the spirit. This 20oz tumbler honors “Grumper” — one of Williams Bay’s most unforgettable fans, remembered for his booming chants, relentless Bulldogs pride, and game-day presence that could energize the whole room. Double-wall insulated stainless steel helps keep your drink at the right temperature while carrying a little Williams Bay history wherever you go.
More details
- Made with double-walled stainless steel, resistant to rust, staining, and corrosion
- 20 oz (591 ml) - diameter: 3.5" (8.9 cm), height: 6.75" (17.1 cm)
- Insulated to keep drinks hot or cold for hours
- Clear plastic, anti-spill press-in lid
- Smooth, anti-slip outer surface
- Dishwasher-safe
- Weight: 11.25 oz (319 g)
EU GPSR Product Information:
- Manufacturer contact information
- Name: EyeOpener Media
- Email: contact@support.eyeopenermedia.store
- Postal address: PO Box 5696 Santa Monica, CA 90405
- Additional information: This product is made for adults. Meets the fire safety requirements. 2 year warranty in EEA and UK, established by Directive 1999/44/EC.
Size & Fit
- Volume: 20 oz (591 ml)
- Height: 6.75" (17.1 cm)
- Width: 3.5" (8.9 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.
