# Thermos flask Maestro MR-1631-150, vacuum-insulated stainless steel bottle 1.5 L, green

**URL:** https://aio.lv/en/product--maestro-mr-1631-150-green--11658134
**Data updated:** 2026-01-21 13:45 (EET)
**Category:** Thermoses
**Manufacturer:** Maestro
**Manufacturer code:** MR-1631-150-GREEN
**EAN:** 4897144670840
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Maestro MR-1631-150 is a vacuum-insulated thermos flask for hot and cold drinks with 1.5 L capacity. Made of stainless steel with plastic parts and ergonomic grip, it keeps drinks hot up to 12 hours and cold up to 24 hours. Dimensions: Ø 10 cm, height 335 mm; mug volume 350 ml. Airtight, easy to clean, weight 1.1 kg.

## Long description

Maestro MR-1631-150 is a vacuum-insulated stainless steel thermos flask with a 1.5 L capacity designed to store hot and cold drinks. The bottle includes plastic parts and an ergonomic grip; a detachable cup with 350 ml capacity is included. The thermos is airtight and easy to clean. Dimensions: diameter 10 cm, height 335 mm; weight 1.1 kg.
Advantages
The vacuum-insulated construction provides thermal retention for hot and cold beverages, keeping drinks hot for up to 12 hours and cold for up to 24 hours. The airtight lid reduces spills and preserves temperature, while the ergonomic grip and lightweight materials facilitate handling. The included 350 ml cup adds convenience for serving.
Suitable for
Outdoor activities (hiking, picnics, camping)
Long trips and travel
Worksites and fieldwork
Home use when serving hot or cold beverages
Key specifications
Capacity: 1.5 L
Mug capacity: 350 ml
Hot retention time: up to 12 hours
Cold retention time: up to 24 hours
Material: stainless steel body with plastic components
Colour: green
Diameter: 10 cm
Height: 335 mm
Weight: 1.1 kg
Airtight: yes
How to use
Before first use, wash all parts with warm soapy water and rinse thoroughly. Preheat or precool the thermos by filling it with hot or cold water for a few minutes, then empty and pour in your beverage. Secure the lid firmly to maintain airtightness. Use the detachable cup for serving. After use, disassemble removable parts and clean according to the manufacturer's care instructions.
Usage recommendations
Do not connect the thermos to a power source; handle hot liquids with care to avoid burns. Avoid using abrasive cleaners or metal scouring pads to preserve the surface finish and insulation performance.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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

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