Best Twin Extra Long Size Mattress Protectors of 2025

The Lunsing Twin XL Mattress Protector is a must-have for your college dorm room. This waterproof and breathable mattress pad offers 24-hour safeguard protection for your mattress. It effectively protects against moisture, sweat, and accidental bedwetting, keeping your mattress sanitary all night long. Made with a premium 4-layer design and high-quality materials, it provides extra softness and breathability for a cozy and comfortable sleep. The deep pocket design ensures ultimate protection and a secure fit for mattresses from 6" to 16" in depth. Plus, it is easy to care for with machine washability, making clean-up a breeze. With the Lunsing Mattress Protector, you can enjoy a clean and comfortable sleep environment every night.

The Lunsing Twin XL Protector is designed to keep your mattress safe and comfortable. Its advanced waterproof barrier protects against spills and stains, ensuring your mattress remains in top condition. You’ll appreciate the soft materials that provide a cloud-like feel, making your sleep experience cozy and inviting. The deep pocket fit ensures that the protector stays securely in place, even on thicker mattresses, so you won’t have to worry about it slipping or shifting. This protector is especially beneficial for families with children and pets, offering a clean and safe sleeping environment for everyone.

Protect your mattress from spills, liquids, and stains with the SPRINGSPIRIT Waterproof Mattress Protector. The top side is made of ultra-soft and breathable terry fabric that is gentle on your skin. The back is laminated with a waterproof membrane to prevent leakage. This protector is 100% waterproof and noiseless, ensuring a peaceful night's sleep. The strong elastic and 360° snug fit make it easy to install on most mattress sizes. It is machine washable and tumble dryable on low heat for easy care. With Springspirit's lifetime guarantee, you can trust the quality of this Twin XL mattress protector to meet your needs. We recommend purchasing two protectors for easy replacement when accidents happen.

The Twin XL Mattress Protector Zippered Encasement is a high-quality, six-sided encasement that protects your mattress against bed bugs, dust, and allergies. The zippered encasement is waterproof, making it ideal for households with pets and children. The hypoallergenic construction helps you breathe easy and stay healthy. The cover is easy to install and does not compromise your comfort, it is also machine washable for easy cleaning. Made of high-quality polyester and polyurethane, this encasement is durable and long-lasting.

The SureGuard XL Mattress Protector is a premium fitted cotton terry cover that provides top protection against perspiration, bed wetting, liquids, and stains. With its 100% waterproof feature, it guarantees a clean and fresh mattress. The soft and noiseless 100% cotton terry surface wicks away moisture and retains the feel of your mattress. It is free from harmful chemicals like Vinyl, PVC, Phthalates, and fire retardants. The durable and easy-to-clean design allows for machine washing and drying. The fitted sheet style with a stretchable skirt fits any depth mattress, making it suitable for Twin XL or dorm beds. Independently lab tested and GREENGUARD Gold certified, this mattress protector is a reliable and convenient choice for protecting your mattress.

The Moonsea Twin XL Protector is designed for your comfort and peace of mind. Its ultra-soft bamboo terry fabric not only feels gentle against your skin but also helps keep you cool throughout the night. With a noiseless and waterproof backing, this protector safeguards your mattress from spills and accidents, extending its lifespan. The strong elastic ensures a snug fit, preventing any slipping or bunching, while accommodating mattresses up to 14 inches high. Plus, it's machine washable, making maintenance a breeze. Enjoy a restful sleep knowing your mattress is well protected.

The Springspirit Twin XL Protector is designed to keep your mattress safe and comfortable. It features a waterproof layer that protects against spills and stains, ensuring your mattress stays clean. Made from a blend of polyester and bamboo viscose, this protector is soft and breathable, promoting a cool sleeping environment. It fits most mattress sizes effortlessly, making installation a breeze. Plus, it's machine washable, allowing for easy care and maintenance. With a lifetime guarantee, you can trust this protector to meet your needs without any worries.

The Premium Waterproof Twin XL Size Mattress Protector is a noiseless and waterproof mattress cover made of cooling and breathable bamboo. The mattress protector is designed to fit most mattresses up to 18 inches in depth and is made of an eco-friendly and natural bamboo blend that wicks away moisture, keeping you cool and comfortable all night long. The new upgraded 5D air fabric ensures that there will be no crinkling or plastic sounds when you move, giving you a peaceful night's sleep.

The Kingnex Twin XL Protector is designed to keep your mattress safe and comfortable. Its waterproof feature protects against spills, sweat, and urine, ensuring your investment stays in top shape. You’ll appreciate the noiseless design, which allows for a peaceful night's sleep without any crinkling sounds. The soft, brushed surface adds a layer of comfort, making it a cozy choice for your dorm room. With its stretchy skirt, this mattress protector easily fits mattresses up to 14 inches deep, providing a snug and secure fit for your bedding.

The Moonsea Waterproof Mattress Protector is designed to enhance your sleep experience. Its soft, breathable polyester fabric allows air to circulate, helping you stay comfortable while resisting odors. The waterproof TPU layer provides excellent protection against spills, sweat, and stains, ensuring your mattress remains in pristine condition. Additionally, the noiseless design means you can enjoy a peaceful night's sleep without any crinkling sounds. With its elastic, stretchy skirt, this protector fits securely on mattresses between 5" to 14" high, making it easy to put on and take off for washing.