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The OK505SB is a professional-grade sled-base seating solution engineered for high-traffic commercial and public environments, including education, corporate meeting, training and event spaces. It combines a durable one-piece polypropylene (PP) plastic seat-back shell with a sturdy continuous steel sled base frame, delivering exceptional structural stability, easy maintenance and flexible space management for modern venues. Its core advantage lies in the continuous sled-base metal frame, which provides stable stress bearing and a sleek, minimalist appearance for neat, organized arrangement in conference and training spaces.
Stable Continuous Sled Base Frame: Built with a continuous steel sled base frame made of Ø22 × 1.1mm metal tube, this chair provides reliable structural stability and a clean, modern look for uniform venue arrangement.
Integrated Injection-Molded PP Shell: The one-piece molded polypropylene (PP) seat and back shell is impact-resistant, scratch-resistant, easy to clean and maintain, perfect for frequent institutional and commercial use.
Lightweight 3kg Net Weight: With a net weight of only 3kg per chair, it enables effortless lifting, moving and rearrangement for quick venue setup and adjustment.
Stackable Design for Space-Saving Storage: This chair is stackable, with the recommended maximum stack quantity to be confirmed with the final sample, allowing compact storage when not in use.
Flexible Packing & Shipping Options: Supports two packing methods – assembled upright stacked bulk loading or 3-chair carton packing, to match different logistics and order requirements.
Humanized Ergonomic Dimensions: Optimized seat height, width and depth deliver comfortable sitting experience for long meetings, training sessions and events.
Sleek Silver Chrome Frame Finish: The silver chrome-plated steel frame shown in the image has a polished, modern finish, recommended for indoor use in offices, schools and conference environments.
Wide Commercial Application Range: Suitable for schools, training centers, conference rooms, seminar rooms, conference halls, auditoriums and all kinds of public spaces.
Armless Open Design: The armless structure allows for easy entry and exit, as well as flexible, space-saving seating arrangement in any venue layout.
High Loading Capacity for Bulk Orders: A 40HQ container can hold approximately 1200 chairs in bulk upright stacking, or around 940 chairs in 3-chair carton packing, meeting large-scale venue procurement needs.
Specification | Value | Notes |
|---|---|---|
Model Number | OK505SB | — |
Product Type | Stackable Plastic Conference, Training and Event Chair with Sled Base | For education, conference, training and public space use |
Overall Width | 53 cm | Overall width shown in the dimension image |
Overall Depth | 55 cm | Maximum front-to-back floor depth of the sled base |
Overall Height | 80 cm | Height from floor to top of backrest |
Seat Height | 44.5 cm | Height from floor to seat surface |
Seat Width | 43.5 cm | Seat width shown in the image |
Seat Depth | 39.5 cm | Seat depth shown in the image |
Backrest Width | 44 cm | Backrest lower width shown in the image |
Backrest Height | 38.5 cm | Height from seat to top of backrest |
Sled Base Side Length | 47 cm | Ground-contact side length of the sled base |
Seat & Back Material | Integrated injection-molded polypropylene (PP) one-piece shell | Injection molding process |
Frame Material | Steel sled-base frame | Continuous sled base structure |
Frame Tube | Ø22 × 1.1 mm steel tube | Sled base pipe specification |
Frame Finish Shown | Silver chrome-plated steel frame | Recommended for indoor use |
Net Weight | 3 kg per chair | — |
Armrests | No, armless | — |
Stackable | Yes | Recommended maximum stack quantity to be confirmed with final sample |
Interlocking | No connector visible | Interlocking configuration to be confirmed separately |
Knock-Down | Yes | 3-chair carton packing available, final construction subject to order |
Carton Size | 59 × 60 × 61 cm | 3 chairs per carton |
40HQ Loading Quantity | Approx. 1,200 chairs (bulk upright stacking); approx. 940 chairs (carton packing) | — |
Before formal product listing, the following details need final confirmation:
Recommended maximum stack quantity
Interlocking connector compatibility for row seating
Load capacity test data and SGS report coverage
EN standard certificate coverage for the sled base configuration
MOQ and production lead time
Optional PP shell colors and other frame surface treatments
Writing tablet or book basket add-on compatibility
OEM logo customization service
What type of chair is the OK505SB?
It is a stackable plastic conference and training chair with a continuous steel sled base.
What is the seat and backrest made of?
The chair uses an integrated injection-molded polypropylene PP seat-and-back shell.
What is the sled-base tube specification?
The sled base uses Ø22 × 1.1 mm steel tubing.
What is the net weight?
The net weight is approximately 3 kg per chair.
What are the overall dimensions?
Approximately 53 W × 55 D × 80 H cm, with a seat height of 44.5 cm.
What are the seat dimensions?
The seat is approximately 43.5 cm wide and 39.5 cm deep.
What are the backrest dimensions?
The backrest is approximately 44 cm wide and 38.5 cm high.
What is the sled-base ground-contact length?
The side ground-contact length is approximately 47 cm.
What frame finish is shown in the image?
The image shows a silver chrome-plated steel frame recommended for indoor use.
Is the OK505SB stackable?
Yes. The recommended maximum stack quantity should be confirmed with the final sample.
Can the chairs be interlocked into rows?
No connector is shown in the supplied image; an interlocking configuration should be confirmed separately.
What packing methods are available?
Assembled upright stacked bulk loading or 3-chair carton packing is available.
What is the carton size?
Three chairs are packed in one 59 × 60 × 61 cm carton.
How many bulk-loaded chairs fit in a 40HQ?
Approximately 1,200 chairs can be loaded upright in bulk in a 40HQ.
How many carton-packed chairs fit in a 40HQ?
Approximately 940 chairs can be loaded in a 40HQ using 3-chair cartons.
Where can the OK505SB be used?
It is suitable for schools, training rooms, seminar rooms, conference halls, auditoriums and public spaces.
Who should buy the OK505SB?
It is suitable for education furniture suppliers, conference furniture wholesalers, training furniture distributors, auditorium contractors and government project buyers.
What certifications are available?
OK505-series certifications and test reports should be used only after confirming that they cover the OK505SB sled-base configuration.
