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Long Single Mattress Protectors

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Choosing a Long Single Mattress Protector

Your Australian guide to finding the perfect fit for long single beds, split king setups, and growing teens.

Proper Fit for Specialised Bed Dimensions

Measuring approximately 92cm in width and 203cm in length, the Long Single is a specialised mattress size that offers the width of a standard single bed but the extended length of a Queen or King size bed. Because of these unique dimensions, finding correctly fitted bedding can be challenging. Attempting to stretch a standard single protector over a long single mattress frequently causes the elastic skirts to tear or the corners to pop off during the night.

A dedicated long single mattress protector is tailored specifically to accommodate this extra length safely and securely, ensuring the bedding stays perfectly flat, comfortable, and protective. Whether you are outfitting a taller teenager's bed, a dormitory room, or dressing half of a luxurious adjustable bed, sourcing the correct long single mattress protector Australia size is essential for bedding longevity.

92 x 203 cm
Long Single

15cm longer than a standard single (92 x 188cm) — the same length as a Queen or King mattress. Standard single protectors will not fit correctly and may damage the elastic or leave sections of the mattress exposed.

Who Needs a Long Single Protector?

  • Split King adjustable bed owners (2 x Long Single)
  • Taller teenagers outgrowing standard single beds
  • Dormitory and boarding school beds
  • Guest rooms with extra-length single frames
  • Hospital and aged care facility beds
  • Caravan and RV sleeping setups

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Explore each topic to find the information most relevant to your needs.

Practical Uses for a Long Single Protector

A correctly sized protector does more than just fit — it addresses specific protection needs that come with this mattress size.

Split King Adjustable Beds Split King Adjustable Beds

The most common use for the Long Single size is as the foundation for Split King adjustable beds. A Split King is essentially two Long Single mattresses placed side-by-side inside a King size frame, allowing each partner to elevate their head or feet independently.

Because these mattresses constantly bend, flex, and elevate, a poorly fitting protector will immediately slip off. A correctly sized long single mattress protector is engineered with a deep, highly elasticised skirt designed to grip the mattress tightly and move with the adjustable base without dislodging.

Moisture & Stain Protection Everyday Moisture & Stain Protection

A mattress acts like a large sponge, easily absorbing everyday perspiration, body oils, and accidental spills. Over time, this moisture buildup can lead to yellow staining, unpleasant odours, and the deterioration of the foam layers inside the bed.

A high-quality, waterproof long single mattress protector provides a reliable barrier that stops liquids at the surface. By keeping the mattress dry, you significantly extend its usable lifespan and maintain a fresh sleep environment.

Allergen Management Managing Allergens for Younger Sleepers

Long Single beds are highly popular for rapidly growing teenagers who need extra legroom but do not have the bedroom space for a Double or Queen bed. Younger sleepers are often susceptible to nighttime allergies and asthma.

A hypoallergenic protector acts as an invisible, tightly woven barrier against dust mites and pet dander. By preventing these allergens from making a home in the mattress core, the protector helps promote clearer breathing and a more restorative night's sleep.

Long Single vs Other Single Sizes

Understanding how the Long Single compares to other single-width mattress sizes helps ensure you order the correct protector.

Size Dimensions Length Difference Common Use
Single 92 x 188 cm Children, standard bedrooms
Long Single 92 x 203 cm +15cm longer Teens, split king, dorms
King Single 107 x 203 cm +15cm wider & longer Teens wanting more width
Split King owners:

You will need two Long Single protectors — one for each mattress half. Using a single King protector will restrict independent movement of the adjustable bases and can cause tearing.

Shop Long Single Mattress Protectors

Browse our full range of long single protectors — from waterproof fitted sheets to cooling bamboo options. Perfect for split king beds, teen bedrooms, and more.

Buying with Your NDIS Plan

Waterproof mattress protectors used for disability-related continence management are a recognised NDIS support, funded from your Core Supports — Consumables budget. As a low-cost item (under $1,500), you generally don't need pre-approval or quotes — just evidence that the need relates to your disability.

How to Purchase:

  • Plan Managed: Use the Checkout with NDIS button, providing your plan details. An invoice will be sent directly to your Plan Manager.
  • Agency Managed: Use the Checkout with NDIS button, providing your plan details. We will charge your plan through the NDIS portal.
  • Self Managed: Purchase using your preferred payment method. You will receive a Tax Invoice which you can submit through the NDIS myplace portal for reimbursement.
  • Need a Quote? If you or your OT, Support Coordinator, or other health professional needs a quote to submit to the NDIA for pre-approval of an item, checkout as normal, selecting the "Quote Only" payment method. You won't be charged, but you will receive a formal quote via email.

National Disability Insurance Scheme

Sleep Solutions is a registered NDIS provider

Sleep Solutions is registered as a provider with the NDIS

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Frequently Asked Questions

What size mattress protector do I need for a split king bed?

Each side of a split king bed uses a long single mattress (92 x 203 cm), so you need two long single mattress protectors. A standard king protector will not work on a split king because the two mattresses move independently. Check your mattress dimensions before ordering.

Do long single mattress protectors fit adjustable beds?

Yes. Long single mattress protectors are the correct size for most adjustable bed bases in Australia. Choose a fitted or fully encased protector with stretch fabric so it flexes with the bed as it adjusts. Avoid rigid or overly tight protectors that could restrict movement.

Will a standard King size protector work on a Split King bed?

No. If you use the adjustable features of your Split King bed to raise one side while the other remains flat, a single King size protector will pull, stretch, and eventually tear. You must use two separate long single mattress protectors to allow the beds to move independently.

How deep are the skirts on your long single protectors?

We carry protectors designed to fit a variety of mattress depths. Most of our premium long single options feature a generous 40cm to 50cm expandable skirt, ensuring they can easily accommodate thick pillow-top mattresses without struggling to stretch over the corners.

Can I use a standard single protector on a long single mattress?

It's not recommended. A standard single protector is 15cm shorter than a long single mattress, meaning the protector will either leave a section of the mattress exposed at the foot of the bed or place excessive strain on the elastic, causing it to tear or slip off during the night.

Are waterproof long single protectors breathable?

Yes. Our waterproof protectors use advanced polyurethane membranes that block liquid water while allowing air and moisture vapour to pass through. This means you stay cool and dry without the clammy feel of old-fashioned plastic mattress covers.