Description
Full Overlap Slotted Containers (FOL) – Superior Protection for Heavy-Duty and Fragile Shipments
Full Overlap Slotted Containers (FOL) are one of the most durable and reliable box styles available in the packaging industry. Featuring flaps that fully overlap on both the top and bottom, these containers provide enhanced strength and cushioning, making them ideal for protecting heavy, fragile, or high-value items during storage or shipping.
At Print Custom Box UK, we manufacture custom FOL boxes that deliver maximum structural integrity and performance. Whether you’re shipping automotive parts, electronics, industrial equipment, or delicate retail products, our full overlap slotted containers offer optimal protection without sacrificing branding or sustainability.
What Is a Full Overlap Slotted Container (FOL)?
A Full Overlap Slotted Container is a type of corrugated cardboard box where the outer flaps (top and bottom) extend the full width of the box. When closed, the flaps completely overlap, creating an additional layer of board that offers double the protection in critical areas. This overlap increases resistance to crushing, makes stacking easier, and improves the overall rigidity of the box.
These boxes are commonly secured with staples, glue, or high-strength tape and are ideal for stacking, heavy-duty contents, and long-distance shipping.
Common Uses in the UK Market
FOL boxes are widely used in many industries, especially where product safety and transportation durability are critical:
- Shipping of heavy machinery or automotive parts
- Electronics and appliances packaging
- E-commerce fulfillment of fragile products
- Furniture and interior decor shipments
- Glassware, ceramics, and delicate instruments
- Bulk packaging for B2B deliveries
- Warehousing and cross-border logistics
Key Benefits of FOL Boxes
1. Exceptional Strength – The overlapping flaps double the cardboard thickness at closure points, enhancing durability.
2. Improved Stacking – Perfect for palletisation and warehouse racking without box deformation.
3. Maximum Protection – Offers superior impact resistance for fragile or high-value items.
4. Cost-Effective Shipping – Reduces product damage and return rates, saving money long-term.
5. Versatile Design – Suitable for various industries and content types, from tools to tech.
6. Fully Customisable – Can be printed, cut, and assembled to suit your brand and operational needs.
Materials & Construction
Our FOL boxes are made from premium corrugated materials, selected for strength and reliability:
- Double-wall or triple-wall corrugated board for heavy-duty applications
- Kraft liners (brown or white) for outer and inner surfaces
- Custom flute profiles (BC, EB, etc.) based on weight and performance requirements
- Moisture-resistant or anti-static coatings (optional)
Each box is die-cut and creased with precision to ensure easy folding, consistent performance, and minimal waste.
Customisation Options
We offer full design and manufacturing flexibility to align your FOL containers with your business goals:
- Custom dimensions and flap sizes
- Flexographic or digital printing (1–4 colours)
- Branding elements: logos, barcodes, QR codes, or product info
- High-resolution artwork and product messaging
- Optional handles, cut-outs, or internal dividers
- Finish options: matte, gloss, or uncoated
Our FOL boxes can be tailored to match retail or industrial-grade standards with options for batch runs or ongoing supply contracts.
Eco-Friendly Features
At Print Custom Box UK, we are dedicated to sustainable packaging practices. Our FOL containers are:
- Made from recycled or FSC-certified corrugated board
- 100% recyclable and biodegradable
- Printed with soy-based or water-based inks
- Designed to reduce reliance on plastic fillers and foam
- Flat-packed to minimise transport emissions
By choosing our eco-conscious FOL boxes, your business supports the growing UK demand for responsible packaging solutions.
Industries We Serve
We supply Full Overlap Slotted Containers to businesses across the UK in sectors such as:
- Manufacturing and engineering
- Automotive supply chains
- Electronics and consumer appliances
- B2B wholesale and distribution
- E-commerce and fulfillment centres
- Furniture and decor logistics
- Health and laboratory equipment shipping
Why Choose Print Custom Box UK?
- UK-based production with fast, nationwide delivery
- Low MOQs with wholesale pricing for volume orders
- Free design support and structural prototyping
- Custom tooling and die-cutting included
- Reliable customer service and dedicated account managers
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