1. Product Overview
The Marsail Criss Cross Chair with Wheels is designed for comfort and versatility in home office environments. This armless chair features an extra-wide seat, scratch-resistant PVC leather, and smooth-gliding wheels, making it suitable for various tasks and users.

Image 1.1: Marsail Criss Cross Chair with Wheels in Light Grey.
Key Features:
- Extra-Wide Seat: A 26” x 20” seat with a 3.9” thick cushion provides enhanced comfort and reduces hip and back strain.
- Durable PVC Leather: Upgraded scratch-resistant and pet-friendly PVC leather, tested for 60,000 abrasion cycles, ensures longevity and easy maintenance.
- Smooth Mobility: Equipped with PU caster wheels for effortless movement on various floor types and a 360° swivel function.
- Adjustable Design: Features 3.9” height adjustment and a 90°-120° rocking tilt mechanism for personalized comfort.
- Robust Stability: A 27.6” wide base with 5 reinforced legs supports up to 300 lbs.
2. Setup and Assembly
Assembly of your Marsail Criss Cross Chair is straightforward. It is recommended to have two people for easier assembly. Please ensure all components are present before beginning.
Components Checklist:
- Seat Cushion
- Backrest
- Base (5-star)
- Gas Lift Cylinder
- Caster Wheels (5x)
- Mechanism Plate
- Hardware (screws, washers, Allen wrench)
Assembly Steps:
- Attach Casters to Base: Insert each of the five caster wheels into the holes at the end of each leg of the 5-star base. Push firmly until they click into place.
- Insert Gas Lift: Place the gas lift cylinder into the center hole of the assembled base.
- Attach Mechanism Plate: Align the mechanism plate with the pre-drilled holes on the underside of the seat cushion. Ensure the lever is on the right side when facing the front of the seat. Secure with screws and washers using the provided Allen wrench.
- Connect Backrest to Seat: Attach the backrest to the seat cushion using the designated screws and washers. Ensure a secure fit.
- Assemble Seat onto Gas Lift: Carefully place the assembled seat (with mechanism plate attached) onto the gas lift cylinder. Press down firmly to secure the connection.
3. Operating Instructions
Your Marsail Criss Cross Chair offers several adjustment features to customize your seating experience.
Height Adjustment:
To adjust the chair's height, locate the lever on the right side beneath the seat. While seated, pull the lever up to lower the chair. To raise the chair, stand up and pull the lever up. Release the lever at your desired height.
Tilt and Rocking Function:
The chair features a 90°-120° rocking tilt. To activate the rocking function, pull the same lever (used for height adjustment) outwards. To lock the chair in an upright position, push the lever inwards. The tension of the rocking motion can be adjusted by turning the round knob located under the front of the seat. Turn clockwise to increase tension (stiffer rock) and counter-clockwise to decrease tension (looser rock).

Image 3.1: Controls for tilt tension adjustment and height/lock lever.
Swivel Function:
The chair's seat can rotate 360 degrees, allowing for easy movement and access to your workspace without needing to reposition the entire chair.

Image 3.2: Demonstrating enhanced sitting comfort and chair's flexibility.
4. Maintenance
Proper care will extend the life and appearance of your Marsail Criss Cross Chair.
Cleaning the PVC Leather:
- For general cleaning, wipe the surface with a soft, damp cloth.
- For tougher spots, use a mild soap solution and wipe gently. Immediately dry the area with a clean, dry cloth.
- Avoid harsh chemicals, abrasive cleaners, or solvents, as these can damage the PVC leather.
- The PVC leather is designed to be scratch-resistant and pet-friendly, offering durability against everyday wear.

Image 4.1: Illustrating the scratch-resistant PVC leather surface.
Caster Wheels:
Periodically check the caster wheels for accumulated hair or debris. Clean them as needed to ensure smooth rolling. If a wheel becomes damaged, replacements may be available from the manufacturer.
General Care:
- Ensure all screws and bolts remain tightened. Periodically check and re-tighten if necessary.
- Avoid exposing the chair to direct sunlight for prolonged periods to prevent material degradation.
- Do not exceed the maximum weight capacity of 300 lbs.
5. Troubleshooting
If you encounter any issues with your Marsail Criss Cross Chair, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not adjust height | Gas lift cylinder issue or lever not engaged. | Ensure the height adjustment lever is fully pulled up. If the issue persists, the gas lift may need replacement. |
| Chair wobbles or feels unstable | Loose screws or uneven floor. | Check and tighten all assembly screws. Ensure the chair is on a flat, even surface. |
| Caster wheels do not roll smoothly | Debris in wheels or damaged casters. | Remove any hair or debris from the wheels. If a caster is damaged, it may need to be replaced. |
| Rocking function is too stiff/loose | Tilt tension knob adjustment. | Adjust the tilt tension knob located under the seat. Turn clockwise for stiffer rocking, counter-clockwise for looser rocking. |
6. Specifications
Detailed specifications for the Marsail Criss Cross Chair with Wheels.

Image 6.1: Chair Dimensions and Maximum Load Capacity.
| Attribute | Detail |
|---|---|
| Brand | Marsail |
| Model Name | VCMSOC13BE-US-1 |
| Color | Light Grey |
| Material | Metal, Vinyl (PVC Leather), Foam |
| Product Dimensions (D x W x H) | 20"D x 26"W x 42.1"H |
| Seat Depth | 20 inches |
| Item Weight | 31.4 Pounds |
| Maximum Weight Recommendation | 300 Pounds |
| Adjustable Height Range | 3.9 inches |
| Rocking Tilt Angle | 90°-120° |
| Swivel | 360° |
| Included Components | Caster Wheels |
| UPC | 840478819762 |
7. Warranty and Support
Marsail is committed to providing high-quality products. For any warranty inquiries, technical support, or replacement parts, please contact Marsail customer service through the retailer where the product was purchased or visit the official Marsail website. Please have your model name (VCMSOC13BE-US-1) and proof of purchase ready when contacting support.