Kalsten | The ultimate cooler bag for summer
Experience refreshing coolness and revitalizing freshness at any time and location!
Tired of dealing with warm beverages and spoiled snacks while on the go? Say goodbye to the frustration of melting ice, leaky coolers, and cumbersome cooler bags! Are you in search of an easy and efficient way to keep your drinks chilled and your snacks preserved, wherever your journey takes you?
Stay cool and comfortable at all times!
Picture a journey where you’re never faced with hot drinks or spoiled food again on your travels, excursions, or outdoor escapades. Eliminate the troubles of bulky cooler bags and rapidly melting ice. This backpack serves as the ultimate solution you've been longing for!
The ideal backpack for unforgettable journeys!
This backpack is crafted to enhance your summer adventures, making them more enjoyable and hassle-free. With a thoughtfully designed cooling mechanism and smart features, it’s the perfect option to keep your beverages cold and your meals fresh, wherever you choose to explore.
The advantages:
- Keeps your beverages and food chilled on warm days
- Roomy main compartment
- Insulated side compartments
- Comfortable carrying system
- Durable and water-resistant
- Adaptable for different activities.
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.
