Affordable King Size Mattress Protector

Find an Affordable King Size Mattress Protector to complement your bedding setup and help you choose the right fit for your king mattress. Explore options by price, size and style to make mattress shopping simple and find comfort that fits your budget.

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Sleepy's Signature TOTAL DEFENSE Mattress Protector

5687

Starting at

$129⁹⁹

Temperature
Allergies

Save $100 when you bundle¹⁰.

Sleepy's Deluxe Comfort Cool Mattress Protector

4179

Starting at

$169⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Sleepy's Basics Waterproof Mattress Protector

2492

Starting at

$69⁹⁹

Temperature
Allergies

Save $50 when you bundle¹⁰.

Sleepy's Signature Total Encasement Mattress Protector

1001

Starting at

$159⁹⁹

Temperature

Bedgear Dri-Tec Mattress Protector

150

Starting at

$189⁹⁹

Temperature
Allergies

Bedgear StretchWick Mattress Protector

155

Starting at

$129⁹⁹

Temperature
Allergies

Allerease Ultimate Mattress Protector

337

Starting at

$49⁹⁹

Temperature
Allergies

An affordable king size mattress protector helps shield your mattress from spills, sweat, stains, dust and everyday wear without the cost of replacing your bed. Designed to fit standard king mattresses, a quality king mattress protector creates a breathable barrier between your sheets and mattress while helping preserve its comfort and appearance. Look for features such as a waterproof or water-resistant layer, soft fabric, quiet construction and deep-pocket elastic that stays securely in place. A washable king size mattress protector is especially convenient for regular cleaning and can help support a fresher, more comfortable sleep environment. Finding the best affordable king mattress protector starts with choosing the right fit and features for your needs. Consider the mattress depth, material and level of protection you want, including cooling fabrics for hot sleepers or quilted padding for a touch of added softness. A waterproof king mattress protector can help protect against accidental spills and nighttime moisture, while a hypoallergenic design may be a helpful choice for sleepers who prefer a cleaner-feeling sleep surface. Shop Mattress Firm for comfortable, dependable mattress protectors that make it easier to care for your mattress and get better zzz's for less.

What materials are commonly used in an affordable king size mattress protector? + -

Common materials include cotton, polyester, bamboo-derived rayon and blends. Some protectors also feature a waterproof polyurethane layer or a quilted top for added softness.

How should I wash an affordable king size mattress protector? + -

Follow the care instructions on the label. Many protectors can be machine washed in cold or warm water and tumble dried on low, but washing and drying requirements vary by material and construction.

What is the difference between a quilted and non-quilted mattress protector? + -

A quilted protector has stitched layers that create a textured surface, while a non-quilted protector typically has a simpler, smoother design. The right choice depends on your preferred feel and care routine.

Are mattress protectors compatible with different mattress types? + -

Many protectors are designed for use with common mattress constructions, including innerspring, memory foam, latex and hybrid mattresses. Always review the product details for care instructions and construction guidelines.

What features should I look for in an affordable king size mattress protector? + -

Consider the cover material, waterproof layer, quilting, stretch panels, depth range and care instructions. Choosing features that match your comfort preferences and cleaning routine can help you find a practical option.