---
product_id: 551683326
title: "Car Roof Bag,21 Cubic Feet Large Roofing Cargo Carrier Bags Waterproof Soft Rooftop Luggage Storage Box for Any Cars With/Without Roof Rack/Rails/Bars"
brand: "signstek"
price: "2178 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/551683326-car-roof-bag-21-cubic-feet-large-roofing-cargo-carrier
store_origin: DK
region: Denmark
---

# Ultra waterproof with sealed zippers Massive 21 cu ft flexible storage Heavy-duty reinforced straps Car Roof Bag,21 Cubic Feet Large Roofing Cargo Carrier Bags Waterproof Soft Rooftop Luggage Storage Box for Any Cars With/Without Roof Rack/Rails/Bars

**Brand:** signstek
**Price:** 2178 kr
**Availability:** ✅ In Stock

## Summary

> 🚗💨 Elevate your road trips with the ultimate waterproof rooftop cargo companion!

## Quick Answers

- **What is this?** Car Roof Bag,21 Cubic Feet Large Roofing Cargo Carrier Bags Waterproof Soft Rooftop Luggage Storage Box for Any Cars With/Without Roof Rack/Rails/Bars by signstek
- **How much does it cost?** 2178 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/551683326-car-roof-bag-21-cubic-feet-large-roofing-cargo-carrier)

## Best For

- signstek enthusiasts

## Why This Product

- Trusted signstek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Ready:** Folds down small for easy storage when not in use—perfect for the minimalist road warrior.
- • **Effortless Setup:** Universal fit with 8 reinforced straps and heavy-duty buckles installs in minutes—no roof rack needed.
- • **Spacious Freedom:** Generous 21 cubic feet capacity with soft, bendable sides to fit odd-shaped gear effortlessly.
- • **Dual-Sided Access:** Convenient waterproof zippers on both sides let you pack and unpack with ease on any side of your vehicle.
- • **Weatherproof Warrior:** Crafted from ultra-durable, tear-resistant PVC that outperforms standard 700D fabrics for all-weather adventures.

## Overview

The Signstek Car Roof Bag offers a massive 21 cubic feet of flexible, waterproof storage made from heavy-duty PVC fabric that resists wear and tear. Designed for universal fit, it installs quickly on any vehicle with or without roof racks using reinforced straps and buckles. Dual-sided waterproof zippers and reinforced seams ensure your gear stays dry, while its foldable design makes storage effortless. Ideal for professionals who demand reliable, spacious, and stylish cargo solutions on the go.

## Description

Signstek Car Roof Bag,21 Cubic Feet Large Roofing Cargo Carrier Bags Waterproof Soft Rooftop Luggage Storage Box for Any Cars With/Without Roof Rack/Rails/Bars

## Features

- 【High-Density Waterproof Material】This is a Car Roof Bag.Made of heavy-duty wear-resistant and tear-resistant PVC fabric, this PVC fabric material is 1 to 2 times stronger than the 700D PVC fabric used in most other roof bags. This ultra-durable roof bag can easily handle all kinds of bad weather and long-distance travel.
- 【Super Waterproof Design】Made of waterproof material, the waterproof effect of our roof bag will exceed your expectation. It includes waterproof zippers that open on both sides, a widened waterproof flap and reinforced seams. Helps keep your items dry.
- 【Extra Large 21 Cubic Feet】- 52"L x 39.5"W x 17.5"H roof luggage bag provides you with plenty of storage space, unlike hard roof racks that are difficult to accommodate odd-shaped items, our product has a soft The sides can be bent to fit them.
- 【Easy to Install and Open on Both Sides】- We provide 8 reinforced straps with heavy-duty buckles, which can be easily fixed to any car in just a few minutes. No matter what your car is, this roof rack can be installed without a roof rack.
- 【Thoughtful Design】No need to deal with bulky hard shell roof rack bags. Our product can be compactly folded into a small size, allowing you to easily store it in the trunk of your car or in a storage bag, saving space. Maintaining it couldn't be easier: all it needs is an occasional wipe down.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item volume | 21 Cubic Feet |
| Shell type | Soft |
| Manufacturer | Signstek |
| Automotive Fit Type | Universal Fit |
| Model | 21 Cubic |
| Product Dimensions | 132.1 x 99.1 x 43.2 cm; 5.08 kg |
| Manufacturer reference | 21 Cubic |
| Manufacturer part number | 21 Cubic |
| Item Weight | 5.08 kg |

## Product Details

- **Brand:** Signstek
- **Material:** Polyvinyl Chloride (PVC)
- **Product dimensions:** 132.1L x 100.3W x 44.5H centimetres
- **Water resistance level:** Waterproof
- **Mounting type:** Roof Mount

## Images

![Car Roof Bag,21 Cubic Feet Large Roofing Cargo Carrier Bags Waterproof Soft Rooftop Luggage Storage Box for Any Cars With/Without Roof Rack/Rails/Bars - Image 1](https://m.media-amazon.com/images/I/71sNP6mCxcL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Questions & Answers

**Q: Can this go on top of roof bars for a roof box**
A: I used it without issue on my MG ZS-EV for a festival. Was easy to fit and held loads! Sturdy even at 70mph.

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**Shop now:** [https://www.desertcart.dk/products/551683326-car-roof-bag-21-cubic-feet-large-roofing-cargo-carrier](https://www.desertcart.dk/products/551683326-car-roof-bag-21-cubic-feet-large-roofing-cargo-carrier)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-04*