Gift by Post: What Fits Through the Letterbox?

A gift can go through the letterbox when the complete, packed item stays within the postal limit and the product is designed for that format. For PostNL letterbox parcels within the Netherlands, the current maximum is 38 × 26.5 × 3.2 cm and 2 kg. The 3.2 cm depth is usually the deciding factor: a small-looking gift can still need parcel delivery once protective packaging is added.

Use the dimensions on the actual product page as your final check. “Gift by post” is a broad description; it does not automatically mean “fits through the letterbox”.

Letterbox gift or parcel: the short answer

Choose a letterbox gift when… Choose a parcel when…
The packed gift is slim, light and not easily crushed. The gift is bulky, heavy, fragile or needs substantial protection.
You want delivery to be possible without the recipient opening the door. The contents should be handed over rather than left in a letterbox.
Compact presentation suits the occasion. The unboxing moment or a larger choice of products matters more than compactness.
The product page explicitly identifies the gift as a letterbox format. The listed dimensions exceed the carrier’s letterbox limit, or no dimensions are confirmed.

What are the PostNL letterbox dimensions?

PostNL lists the maximum size for a domestic letterbox parcel as 38 × 26.5 × 3.2 cm, with a maximum weight of 2 kg. These are carrier limits, not a promise that every residential letterbox has identical access or that any item close to the limit will suit every address. You can check the current rules on the official PostNL dimensions and weight page.

Measure the finished package, including the outer box, padding and closure. Measuring only the gift inside can lead to the wrong delivery choice.

What usually fits through the letterbox?

Products that work well in a slim format tend to be compact and easy to protect without adding much depth. Depending on their packaging, that may include:

  • flat cards, prints and small stationery items;
  • tea, chocolate or other treats in low-profile packaging;
  • small self-care products designed for a slim box;
  • socks, eye masks or other soft items that do not need a rigid outer parcel;
  • compact combinations created specifically as a letterbox gift.

The important phrase is designed for a slim box. A candle, mug, bottle, large pouch or glass container may look small on its own but usually needs more depth or protection. Product photography is not a reliable measurement.

A 60-second decision checklist

  1. Check the packed dimensions. Look for the full outer measurements, not just the contents.
  2. Consider fragility. Would the item be safe passing through a letterbox and landing on the other side?
  3. Think about temperature and leakage. Products that are heat-sensitive, chilled, liquid or prone to leaking may need a different format or delivery plan.
  4. Check the address. A shared entrance, mail room, restricted letterbox or unusual access can affect what is practical.
  5. Review tracking and timing. Choose the delivery service for the importance and deadline of the occasion; do not assume every postal option has the same scan or delivery promise.
  6. Match the presentation to the moment. Letterbox delivery is convenient, but a parcel may be better when a larger reveal is part of the gift.

When a letterbox gift is the better choice

For a thoughtful surprise on an ordinary day

A slim gift works well when the point is simply to say “I thought of you”. The recipient does not need to reserve time or answer the door, so the gesture can arrive without turning into an appointment.

For a birthday when you cannot visit

Choose a format with room for a personal note and one or two genuinely useful treats. A compact gift is not less personal when the message is specific: mention a shared memory, a quality you appreciate or something you hope they enjoy that day.

For someone who is recovering

Convenient delivery can be useful when the recipient may be resting. Keep the wording warm without making assumptions about their recovery. Our guide to what to write in a get-well card has examples for short, long and uncertain recoveries.

For a colleague or client at home

Confirm the address through an appropriate channel and avoid putting sensitive information in the card or on the outer packaging. If the gift is work-related, keep the tone proportionate to the relationship.

When a parcel is worth it

Use a parcel when it gives the contents the protection or space they need. It is usually the clearer choice for glassware, bottles, larger candles, ceramics, multiple full-size products or a substantial hamper. A parcel may also suit a milestone where the unboxing experience is part of the gesture.

Do not squeeze a product into letterbox packaging simply to obtain a more convenient delivery format. A damaged gift, crushed packaging or leaking item creates more inconvenience than a parcel would have done.

How to make a compact gift feel considered

  • Start with the recipient. Choose flavours, colours or small rituals they will actually enjoy.
  • Edit rather than overfill. Two well-matched items often feel more intentional than many unrelated fillers.
  • Write a specific message. A brief, personal line gives context to the gift.
  • Check the occasion date. Order with enough margin for processing and delivery, especially around busy periods.
  • Use the address exactly as supplied. Include any relevant apartment, company or access detail.

Frequently asked questions

Does “gift by post” always mean letterbox delivery?

No. The phrase can describe both letterbox gifts and parcels. Check the delivery format and packed dimensions before ordering.

Will a letterbox gift be delivered if nobody is home?

That is the purpose of a genuine letterbox format, but access varies by address and the carrier’s current service conditions still apply. A shared entrance, full mail compartment or restricted letterbox can affect delivery.

Is a letterbox gift suitable for food or self-care products?

It can be, when the specific products are shelf-stable, securely packed and designed for the format. Check ingredients, allergens and product information for the recipient rather than assuming a general category is suitable.

How do I know whether a Coral & Clay gift fits?

Use the product format shown in the collection and the current product information at the time you order. Availability and postal rules can change, so the live product page and carrier guidance are the final references.

Choose a gift that is made for the format

If convenient, no-door-answer delivery is the priority, explore Coral & Clay’s letterbox gift boxes. Each option in the collection is presented as a letterbox format, so you can focus on the recipient and the message rather than trying to compress a parcel-sized gift.

Thoughtful gifting

Ready to make someone's day?

Choose a beautifully curated gift box, add a personal message and send it straight to their door.

Shop all gift boxesShop best sellers
Why Coral & Clay

Thoughtful gifting, made simple

Beautiful presentation, personal details and easy direct delivery—everything you need to make someone feel special.

Thoughtfully curated

Discover premium products chosen to make every gift feel considered and special.

Add a personal message

Write your message on the product page and we'll handwrite it on a premium card.

Send it directly

Enter the recipient's address at checkout and we'll deliver the gift straight to them.

Beautifully gift-ready

Every box arrives beautifully presented, without prices, and ready to enjoy.

Simple to choose

Shop by occasion, recipient or box size—or start with our customer favourites.

Here when you need help

Not sure what to choose? Our team is happy to help you find the right gift.

FAQ

Gift box questions, answered

Can I send a gift box directly to the recipient?

Yes. Enter the recipient's delivery address at checkout and we'll send the gift directly to them.

Can I include a personal message?

Yes. Write your message on the product page before adding the gift box to your cart, and we'll handwrite it on a premium card.

Are prices included inside the gift box?

No. Coral & Clay gift boxes are sent without prices included.

Does the gift arrive ready to give?

Yes. Every gift box arrives beautifully presented and gift-ready, so no extra wrapping is needed.

Can I choose the products in the box?

Yes. Use our Create Your Own Gift Box builder to select the products and box size that best suit the recipient.

How do I choose the right gift box?

Browse by occasion or recipient, explore our best sellers, or choose a Letterbox, Signature or Grand Gift Box depending on the moment.

Find the perfect gift

Make their day with a thoughtful gift

Choose a beautifully curated box, add your message and send a little joy straight to their door.