Custom Inserts & the Unboxing Experience: A Practical Guide

An insert is the fitted piece inside a box that holds your product in place – and it does two jobs: it protects the contents in transit, and it presents them like a gift when the box is opened. For e-commerce and subscription brands especially, the insert is what turns a plain box into an unboxing worth sharing. This guide covers the main insert types and how to design the moment. Every order includes a free dieline, so your insert is built to your product on our fully custom printed boxes.

What does a packaging insert do?

An insert fills the empty space inside a box so the product cannot slide, rattle, or knock around. That protects fragile items, but it also does something subtler: a snug, intentional fit signals care and quality the moment a customer opens the box. The best inserts do both at once.

Types of custom inserts

The right insert depends on the product’s weight, fragility, and the look you want. The table below maps the main types to their best use.

Inserts by use case

• Fragile products – foam or molded pulp cradles glass, electronics, and delicate items.
• Multi-packs & sets – dividers keep bottles and jars apart and organized.
• Subscription & gift boxes – paperboard platforms arrange items for a styled reveal; see custom subscription box packaging.
• Premium products – fitted inserts in a premium rigid gift box create a true luxury presentation.

How inserts are made to fit

A great insert is engineered, not guessed. We start from the product’s exact outer dimensions and the box it sits in, then design a cavity that holds it firmly without forcing it – tight enough to stop movement, loose enough to remove cleanly. Paperboard and corrugated inserts are die-cut and folded into trays, platforms, or scored partitions, while molded pulp and foam are formed to the product’s contour. Because we charge no die or plate fees, even a fully custom insert shape stays accessible at our 100-box minimum, and the free dieline means you approve the fit on a 3D mockup before anything is produced.

How to design a great unboxing

The unboxing is free marketing when it is done well – customers photograph and share it. A few principles:

• Make the reveal intentional. A fitted insert presents the product face-up, not buried in filler.
• Print the interior. A branded inner surface or a message under the lid extends the brand inside the box.
• Add a small extra. A thank-you card or sample insert turns a delivery into a relationship.
• Keep it tidy. Right-size the box so the insert fills it cleanly – no rattle, no waste.

Inserts pair naturally with a branded custom mailer box or shelf-ready retail packaging boxes, which is the workhorse of e-commerce unboxing – see our retail & e-commerce guide for the full picture.

Inserts for subscription and recurring boxes

Subscription brands have a particular challenge: the box changes contents every cycle but should feel consistent every time. A flexible insert system – an adjustable tray, a reusable divider layout, or a printed platform that frames whatever is inside – keeps the reveal polished month after month without a new tool each time. It also speeds up fulfillment, since a fitted insert tells packers exactly where each item goes. For format ideas and recurring-box strategy, see our subscription box packaging guide.

How inserts cut returns and damage costs

Beyond the experience, inserts pay for themselves by reducing damage in transit. A product that shifts inside a roomy box takes the full force of every drop and toss in the parcel network, and damaged arrivals mean refunds, replacements, and lost trust. A fitted insert immobilizes the product so impact energy is absorbed by the packaging instead of the goods, and it lets you right-size the box rather than over-pack with loose void fill – which also trims dimensional-weight shipping costs. For fragile or high-value items, the small added cost of an insert is usually far less than the cost of a single damaged return. Our dimensional weight guide and e-commerce packaging guide show how right-sizing and protection work together.

Are eco-friendly inserts available?

Yes. Paperboard, corrugated, and molded-pulp inserts are recyclable and increasingly replace plastic foam, so you can protect the product without undermining a sustainable brand story. See our sustainable packaging guide and recyclable eco-friendly packaging boxes.

Dig deeper: insert & protection guides

For a closer look at an insert topic, see our focused articles:

• Foam vs. paperboard inserts – which protects better.
• Protective packaging for fragile items – shipping delicate products.
• Molded pulp packaging – the eco foam alternative.
• Box dividers & partitions – packaging multi-packs.

Frequently asked questions about inserts

Do you make custom inserts to fit my product?

Yes. We build inserts to your product’s exact dimensions with a free dieline, so the fit is snug and protective – no off-the-shelf compromise.

Which insert is best for fragile items?

Foam or molded pulp gives the tightest, most cushioned hold for glass, electronics, and delicate products. Corrugated inserts also work well for moderate protection.

Can inserts be eco-friendly?

Yes. Paperboard, corrugated, and molded-pulp inserts are recyclable alternatives to plastic foam, ideal for sustainability-focused brands.

Is there a minimum order for boxes with inserts?

Our minimum is just 100 boxes, with no die or plate fees, and inserts are quoted along with the box.

Add custom inserts to your packaging

Tell us your product and the box it goes in, and we will design an insert that protects it and presents it well – with a free dieline, no die or plate fees, a 100-box minimum, and an 8–10 day turnaround. New to packaging? Start with our beginner’s guide, then request your free quote or contact our team.