# Office chair Topstar BT390T W50 Big Star 30 XXL — black, high-capacity ergonomic seating

**URL:** https://aio.lv/en/product--topstar-bt390t-w50--3697951
**Data updated:** 2025-12-29 13:45 (EET)
**Category:** Ergonomic Chairs
**Manufacturer:** Topstar
**Manufacturer code:** BT390T W50
**EAN:** 4014296241920
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 588.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 486.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--topstar-bt390t-w50--3697951

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Courier delivery to door | 28.07.2026 | 53.99 EUR |

## Summary description

Topstar Big Star 30 XXL (model BT390T W50) is a black office chair designed for high-capacity seating. It provides ergonomic support for extended desk work and general office use. The chair targets users who need larger-sized seating with reinforced construction and a spacious seat. Suitable for administrative tasks, home office and workstations where comfort and durability are required.

## Long description

Topstar Big Star 30 XXL (model BT390T W50) is a black office chair designed for high-capacity ergonomic seating. The chair features a spacious seat and reinforced construction to support larger users during extended desk work, offering stable support for administrative tasks, home office setups and general workstation use.
Advantages
The Topstar Big Star 30 XXL combines a wide seating surface with a sturdy frame to improve comfort and durability. Its design focuses on ergonomic support for prolonged sitting, with stable mechanics suitable for heavier loads and frequent daily use.
Suitable for
Administrative and clerical work
Home office and remote workstations
Users requiring larger, reinforced seating
Shared or multi-shift work environments
Key specifications
Brand: Topstar
Model / MPN: BT390T W50
EAN: 4014296241920
Type: Big Star 30 XXL office chair
Color: Black
How to use
Place the chair on a level surface and adjust seat height and backrest to achieve a comfortable, ergonomically correct posture: feet flat on the floor, thighs roughly parallel to the floor and the lower back supported by the lumbar area. Use built-in adjustment levers or knobs to set the tilt and height according to individual preference and task requirements.
Usage recommendations
For durability and safe operation, follow the manufacturer's assembly instructions and recommended maximum load limits. Regularly check moving parts and fasteners and tighten if necessary; clean surfaces with a soft cloth and mild detergent.

## FAQ

### How much does the Office chair Topstar BT390T W50 Big Star 30 XXL cost, and is it available for purchase?

The price is 588.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 23.07.2026 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. 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 Topstar 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 Topstar 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/3697951/47508123_large.webp