# Thermos flask Maestro MR-1637-400-GOLD 4 L insulated stainless steel travel container, leakproof, push-button lid

**URL:** https://aio.lv/en/product--maestro-mr-1637-400-gold--10480441
**Data updated:** 2026-01-21 13:34 (EET)
**Category:** Thermoses
**Manufacturer:** Maestro
**Manufacturer code:** MR-1637-400-GOLD
**EAN:** 4820096553695
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 31.81 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--maestro-mr-1637-400-gold--10480441

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Friday | free |
| Pickup points | 08.07.2026 | 1.89 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Maestro MR-1637-400-GOLD is a 4 L stainless steel thermos flask designed for travel and outdoor use. Double-wall vacuum insulation keeps liquids hot for up to 24 hours. Features include a leakproof design, push-button lid, carrying handle(s) and included lid. Gold exterior finish and durable housing make it suitable for long trips, picnics and work sites.

## Long description

Maestro MR-1637-400-GOLD is a 4 L stainless steel insulated travel container designed to maintain beverage temperature during trips and outdoor activities. The double-wall vacuum construction preserves heat for up to 24 hours while the gold-coloured exterior and durable stainless steel housing provide corrosion resistance and a presentable appearance for picnics, work sites and extended journeys.
Advantages
The thermos offers long-term heat retention thanks to double-wall vacuum insulation and a stainless steel body that resists dents and rust. A leakproof design combined with a push-button lid simplifies pouring and prevents spills when carried. The included lid and carrying handle(s) improve portability and usability during travel.
Suitable for
Outdoor trips and picnics
Work sites and construction
Long car journeys
Camping and hiking
Key specifications
Capacity: 4 L
Material: Stainless steel housing
Insulation: Double-wall vacuum
Heat retention: Up to 24 hours for hot liquids
Leakproof construction
Lid type: Push-button lid (included)
Carry: Integrated carrying handle(s)
Colour: Gold finish
How to use
Before first use, wash all parts with warm soapy water and rinse thoroughly. Pre-warm the thermos with hot water if you intend to store hot beverages to improve heat retention. To pour, press the push-button on the lid to open the pouring spout and release to close; ensure the lid is fully closed and secured when carrying to prevent leaks. After use, empty and clean the container, allow to dry, and store with the lid removed or loosely fitted to avoid odours.
Usage recommendations
Do not use abrasive cleaners or metal scouring pads on the stainless steel surface. Avoid placing the thermos in a dishwasher unless the manufacturer explicitly permits it. To maintain insulation performance, avoid filling with carbonated beverages or using for long-term storage of perishable liquids.

## FAQ

### How much does the Thermos flask Maestro MR-1637-400-GOLD 4 L cost, and is it available for purchase?

The price is 38.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 65 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Friday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Maestro products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Maestro service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/10480441/52558413_large.webp