Mattress Protectors for King Beds

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Shop Affordable King Bed Mattress Protectors

Protect your mattress investment with a cheap king size mattress protector from Factory Buys. Crafted for comfort and protection, these waterproof covers shield against spills, sweat, and allergens while maintaining a soft, breathable feel. Explore our complete mattresses range or find matching sizes like queen mattress protectors and super king mattress protectors. Customers love our great value for money, reliable quality, and fast free delivery across Australia.

Why Choose a King Mattress Protector

A cheap king size mattress protector is the simplest way to keep your king bed mattress clean and in excellent condition. Perfect for larger beds shared by couples or families, these protectors provide a waterproof, hypoallergenic barrier that prevents moisture, dust, and bacteria from damaging your mattress.

Factory Buys offers a wide range of king mattress protectors that fit snugly and securely, using elasticised edges for a perfect fit on standard Australian king mattresses. Whether your bed features a memory foam mattress or a pocket spring mattress, our protectors help extend its life while keeping your sleep environment fresh and hygienic.

Key Features and Benefits

Factory Buys mattress protectors are made from high-quality materials that deliver long-lasting protection and comfort:

  • Waterproof lining guards against spills and accidents.

  • Breathable fabric promotes airflow for a cooler sleep.

  • Anti-allergy and dust mite resistance for a healthier bedroom.

  • Machine washable design for easy maintenance.

For extra cushioning, layer your protector under a king mattress topper or enhance support with a king bed mattress.

Complete Your Bedroom Setup

Pair your protector with a durable bed base or stylish bed frame for stability and long-term comfort. Finish your setup with soft pillows and premium quilts for an elegant, hotel-quality sleep experience.

Why Shop at Factory Buys

Factory Buys is proudly Australian owned and operated, offering free delivery on all mattresses. Our king mattress protectors are a customer favourite for their practicality, durability, and value, ensuring your bed stays protected, comfortable, and ready for years of use.

Do you need a waterproof protector or a breathable, cooler option?

Choose waterproof if you want the strongest barrier against spills, kids, pets, or heavier night sweating, since it is designed to stop moisture reaching the mattress. If you mostly want everyday protection while sleeping cooler, lean towards breathable options. Check the product listing for whether the layer is fully waterproof and any notes on airflow or feel.

What mattress depth should you measure for a fully fitted skirt?

Factory Buys only stocks Australian sized mattresses and bedframes, so confirm you are buying the correct Australian king size first. Then measure mattress height from base to top, including any topper you leave on. Match that height to the fitted skirt or wall depth on the listing, as a deeper skirt helps the corners stay smooth and secure.

How do you keep a king mattress protector feeling smooth and quiet overnight?

Choose a protector with a surface feel you like, then check the listing for notes on noisiness, breathability, and whether the skirt has elastic all the way around for a stay-put fit. Wash it before first use to soften the fabric, and if you want extra comfort on top, pair it with king quilts for the season.

Which fabric feels best: bamboo, terry, or cotton on top?

Bamboo often feels smoother and more breathable, which suits people who run warm. Terry has a more textured, towel-like feel and can add a bit of absorbency. Cotton is a simple, familiar feel that suits many sleepers. Use the product page to confirm the top layer fabric and care guidance, especially if you wash often.

What happens if your order arrives damaged, delayed, or incorrect?

All orders are dispatched from our warehouse within 1 to 2 business days. Delivery typically takes 1 to 12 business days, depending on your location and the courier. All products include a 12 month warranty, and our Customer Support team is available 8 am to 8 pm, 7 days per week. If you need help at any stage, visit our Contact Us page and include your order number plus a short description so we can assist sooner.