Kalsten | Insulated stainless steel travel mug | 500 ml leak-proof & double-walled
Thermasip - The perfect insulated travel mug for travelling
Enjoy your coffee or tea anywhere with the Thermasip travel mug. Thanks to the double stainless steel construction, your drink will stay at the ideal temperature for hours while the outside stays cool. Ideal for the office, travelling or outdoor activities.
Stylish advantages
- ✅ Extended insulation: Keeps drinks hot or cold for up to 6 hours.
- ✅ Durable and safe: Made from high-quality, BPA-free stainless steel.
- ✅ Practical and leak-proof: with sturdy sliding lid and tight seal.
- ✅ Ideal for everyday use: perfect for travelling, in the office or when camping.
- ✅ Easy-care: Hand wash recommended, not suitable for the microwave.
The Thermasip travel mug is the ideal solution for anyone who wants to enjoy their coffee or tea on the go. With its robust design and effective insulation, it ensures that your drink is always at the perfect temperature.
Specifications
- Material: food-safe stainless steel, BPA-free
- Content: 500 ml
- Insulation: Keeps drinks hot or cold for up to 6 hours
- Lid: Sliding lid with sturdy closure
- Maintenance: Hand wash recommended, not suitable for the microwave
Free standard shipping on all orders. No minimum purchase.
- Ships to: United States
- Processing: 1–4 business days (Mon–Fri)
- Transit: 5–10 business days
- Total delivery time: 6–14 business days
- Order cut-off: 5:00 PM PST
You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.
See our full Shipping Policy.
You have 14 days from delivery to request a return.
- Email support@open.shop with your order number to start a return.
- Items must be unused, complete, and in their original packaging.
- Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
- Damaged, defective or incorrect items: we cover all return and replacement costs.
- No restocking fees.
- Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
- Refunds are issued within 7 business days of inspection.
See our full Return Policy.
Questions about your order or our products? We're happy to help.
Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands
Email: support@open.shop
Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)
We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.
For quick answers, visit our FAQ page or use our Contact Form.
