# Thermos flask Maestro MR-1638-75 0.75 L Graphite — vacuum insulated bottle

**URL:** https://aio.lv/en/product--maestro-mr-1638-75--4283368
**Data updated:** 2026-03-07 11:13 (EET)
**Category:** Camping Cookware
**Manufacturer:** Maestro
**Manufacturer code:** MR-1638-75
**EAN:** 4820177144750
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 17.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--maestro-mr-1638-75--4283368

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Thermos flask Maestro MR-1638-75 is a 0.75 L vacuum-insulated bottle in graphite finish designed to keep beverages hot or cold for extended periods. The flask is suited for outdoor activities, travel and daily use, providing spill-resistant transport and thermal retention for tea, coffee or cold drinks. Compact size fits most bags and car cup holders.

## Long description

Thermos flask Maestro MR-1638-75 0.75 L Graphite is a vacuum-insulated bottle designed to maintain beverage temperature for extended periods. With a 0.75 litre capacity and a graphite finish, this flask is compact enough for daily commuting, travel and outdoor activities. Its construction reduces heat transfer and supports spill-resistant transport of hot tea, coffee or cold drinks while fitting most bags and car cup holders.
Advantages
The flask uses vacuum insulation to minimise heat exchange, helping to keep liquids hot or cold for hours. A compact cylindrical design and corrosion-resistant interior make cleaning and maintenance straightforward. The screw-top lid provides a secure seal to reduce leaks during transport, and the neutral graphite colour offers a discreet, unbranded appearance suitable for a variety of settings.
Suitable for
 Daily commute and office use
 Travel and long drives
 Hiking, camping and outdoor recreation
 School or university
 Everyday home use and picnics
Key specifications
 Capacity: 0.75 L
 Insulation type: Vacuum insulated
 Finish: Graphite colour
 Material: Double-wall construction with corrosion-resistant interior
 Closure: Screw-top lid with spill-resistant seal
 Shape: Compact cylindrical design suitable for most cup holders
How to use
Before first use, wash the flask with warm soapy water and rinse thoroughly. Preheat or precool the flask by filling it with hot or cold water for a few minutes, then empty and pour in your desired beverage. Secure the screw-top lid tightly to maintain insulation and minimise spills. After use, disassemble the lid if possible and clean all parts; allow to dry completely before reassembling and storing.
Usage recommendations
Do not place the flask in a microwave or freezer. Avoid using bleach or abrasive cleaners on the interior finish. For best thermal performance, avoid frequently opening the lid and preheat or precool the flask when transporting temperature-sensitive drinks.

## FAQ

### How much does the Thermos flask Maestro MR-1638-75 0.75 L cost, and is it available for purchase?

The price is 20.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 198 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 10.07.2026 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/4283368/11258090_large.webp