Regular Slotted Container (RSC) Boxes

RSC Box Custom RSC Boxes Wholesale, Any Size, Any Print, Fast Lead Times

An RSC box is the most ordered corrugated shipping format in the United States and if you're looking to buy custom RSC boxes at wholesale pricing, you're in the right place. AH Packaging Solutions manufactures RSC corrugated boxes in single, double, and triple-wall construction, with full-color printing, custom dimensions, and free design support on every order. Minimum order 100 pieces. Free standard shipping to all 50 US states.

Not sure if an RSC box is the right format for your product? This page covers everything what RSC means, how the construction works, how it compares to other box styles, and exactly what to order based on your product weight and shipping method. If you're ready to quote, the form is at the bottom.

What Is an RSC Box? RSC Box Meaning Explained

RSC stands for Regular Slotted Container the technical designation from TAPPI (Technical Association of the Pulp and Paper Industry) for the standard corrugated shipping box format. An RSC box is manufactured from a single corrugated blank that folds into a box with four side panels and four flaps on both the top and bottom.

The defining feature of the RSC style box: all eight flaps are cut to exactly half the interior width of the box, so when folded closed, the top flap pairs meet flush at the center seam.

That seam-at-center design is not arbitrary. It minimizes corrugated material waste during manufacturing, creates a flat compression-bearing surface on both top and bottom, and produces the predictable stacking performance that warehouses, fulfillment centers, and carriers rely on.

The RSC box is what most people picture when they say "shipping box" or "cardboard box" though technically, an RSC cardboard box is corrugated board, not plain cardboard.

Quick Clarification: "RSC cardboard box" is a common search term but RSC boxes are corrugated board (two linerboards with a fluted inner medium), not single-layer cardboard. Corrugated is significantly stronger and is the correct material for any shipping application.

RSC Style Box vs. Other Formats Which One Should You Order?

Before ordering, it's worth knowing where an RSC box fits among the corrugated and packaging options available. Here's a direct comparison to help you decide:

Box Style	Closure	Tape Required?	Best For	Unit Cost
RSC Box	Flap-fold seal	Yes	Shipping, fulfillment, B2B distribution	Lowest
Corrugated Mailer	Self-lock lid	No	DTC brands, subscription, unboxing	Low–Mid
Die-Cut Box	Custom shape	Varies	Retail display, window boxes, unique shapes	Mid
Rigid Set-Up Box	Lid off tray	No	Luxury, premium gifting, high-value items	Highest

The RSC box wins on cost-per-unit and operational efficiency. If your priority is fast fulfillment, high-volume scalability, and reliable protection at the lowest unit price RSC is the answer. If your priority is unboxing experience or retail display, a mailer or rigid box is the better investment.

RSC Corrugated Box Construction Wall Types & Weight Ratings

RSC corrugated boxes are manufactured in three wall configurations. Choosing the right one is the most important spec decision you'll make it determines whether your product arrives intact and whether you're paying for more box than you need:

Wall Type	Plies	ECT Rating	Weight Capacity	Common Use
Single-Wall	3-ply	32 ECT (standard)	Up to ~30 lbs	E-commerce, standard RSC shipping boxes
Double-Wall	5-ply	48 ECT	30–65 lbs	Heavy duty RSC corrugated boxes, B2B freight
Triple-Wall	7-ply	82+ ECT	65–150+ lbs	Industrial RSC cartons, palletized freight

For most e-commerce RSC boxes shipping via UPS, FedEx, or USPS, single-wall 32 ECT C-flute is the standard. For palletized freight, B2B distribution, or products over 30 lbs, double-wall is the correct spec. Our packaging engineers will confirm the right construction for your product when you request a quote at no charge.

Custom RSC Box Printing, Finishes & Ordering Options

Every RSC box we manufacture can be fully customized. Here's what's available when you order a custom RSC box:

Liner Color

• Natural brown kraft standard, cost-effective, recyclable
• White-top liner cleaner print surface, sharper color reproduction for branded RSC boxes
• Full bleached white liner premium look; closest to retail box aesthetics on RSC construction

Corrugated Box Printing Options

• Flexographic printing (1–4 color) lowest cost per unit; best for bulk RSC boxes at 2,500+ pcs
• Digital CMYK printing full-color photo quality; ideal for branded RSC boxes at 100–2,000 pcs
• Pantone spot color matching exact brand color consistency across all production runs
• Interior printing print inside the box lid for added brand presence

Finishes & Coatings

• Aqueous matte or gloss coating scuff protection on printed surfaces
• Wax or moisture-resistant coating for food, cold chain, or humid shipping environments
• Spot UV gloss highlight on matte for logo emphasis
• No coating standard uncoated kraft for plain or lightly printed RSC boxes

Additional Options

• Any custom L × W × H dimension or choose from standard US stock sizes for faster turnaround
• Single, double, or triple-wall corrugated construction
• FSC-certified and recycled-content (30/60/100% PCR) material options
• Perforations, hand holes, ventilation cutouts available on request
• ISTA 2A-certified construction for Amazon FBA and Walmart compliance

Who Orders RSC Boxes and What They Typically Need

E-Commerce and Shopify Brands

Custom RSC boxes with logo printing are the single most ordered item from DTC brands in our catalog. Single-wall C-flute, digital CMYK print, white-top liner. Volume pricing kicks in at 500 units most Shopify brands run 500–2,500 pcs per order.

We also offer DIM weight optimization: getting your box dimensions tight saves real money on UPS and FedEx dimensional weight charges.

Amazon FBA Sellers

RSC corrugated boxes are the standard-compliant format for most FBA inbound shipments. Our boxes are manufactured to ISTA 2A certification, which satisfies Amazon Frustration-Free Packaging requirements.

If your products are heavy enough to require double-wall, we'll specify that in your quote. We can also include ISTA test documentation if your vendor agreement requires it.

Food, Grocery, and Cold Chain

RSC boxes for food shipping require FDA-compliant liner options and, for moisture-exposed applications, a moisture-resistant or wax coating.

We manufacture FDA-compliant corrugated RSC boxes and understand food labeling requirements nutrition facts, allergen statements, net weight and build them into the design from the start.

B2B and Industrial Distribution

Double-wall RSC corrugated boxes at 48 ECT are the standard for industrial distribution, automotive parts, hardware, and palletized freight.

We engineer box dimensions to standard pallet footprints and can provide BCT (Box Compression Test) calculations for stack height requirements in warehouse and freight environments.

RSC Box Pricing, MOQ & Lead Times What to Expect

• MOQ: 100 pieces minimum full customization available from the first order
• Volume pricing tiers: 100 / 500 / 1,000 / 2,500 / 5,000+ pcs per-unit cost decreases at each tier
• Standard lead time: 7–14 business days after design approval
• Rush production: 3–5 business days available on select quantities confirm before ordering
• Free design and dieline support no design fees, no die plate charges on standard RSC styles
• Free standard US-wide shipping included on every order to all 50 states
• Digital 3D mockup provided before production approve before a single box is made