Best Twin Extra Long Size Mattress Encasements of 2026

The Utopia Bedding Mattress Encasement is a high-quality, waterproof and bed bug proof mattress protector. Made with stretchable knitted polyester fabric, it easily fits the Twin size mattress and provides a comfortable feel while you sleep. The zippered cover secures the mattress from all sides, protecting it from spills and keeping it clean and safe. With its 100% waterproof protection, you can rest assured that your mattress is shielded from any unwanted liquid spills. Additionally, the encasement is machine washable, making it easy to maintain. The Utopia Bedding Mattress Encasement is also designed to be bed bug and dust mite proof, providing you with a hygienic and worry-free sleeping environment.

The TICONN Mattress Bags offer a reliable way to protect your mattress during moving or storage. Made from high-quality LDPE material, these bags are waterproof and resistant to dust and tears, keeping your mattress safe from damage. You can choose from four sizes to fit mattresses up to 16 inches thick, ensuring a snug and secure fit. The bags are easy to use—just slide your mattress inside and seal it with tape for protection. Plus, with two thickness options, you can pick a thinner bag for short-term storage or a thicker one for moving and long-term use, making these bags versatile and convenient for your needs.

The Cosy Family Mattress Bag offers strong protection for your mattress during moves or storage. Made from thick 170GSM polyethylene tarpaulin, it guards against tears, water, and dust, keeping your mattress safe. The bag has eight sturdy handles, making it easy for you to carry and maneuver your mattress through tight spaces without needing help. Its blue opaque color keeps your mattress out of sight, providing privacy while also being water-resistant to keep it dry in places like basements or attics. Plus, this reusable bag helps you save money and reduce waste by protecting your mattress multiple times.

The BETU Mattress Moving Bag is designed to protect your twin mattress during moves or storage. It keeps your mattress safe from dirt, tears, and dust, ensuring it stays clean whether you're moving short or long distances or storing it for a while. With eight heavy-duty handles, you can easily carry the mattress even through tight spaces or up stairs. The strong zipper on three sides makes it simple to slide your mattress in and out. Made from thick, waterproof material, the bag shields your mattress from moisture while its opaque grey color keeps your mattress private. Plus, it has clear ID card slots and padded handles for convenience and comfort. This reusable bag is eco-friendly and built to last.

The U-Haul Queen Mattress Bag is designed to protect your mattress or box spring during moving, storage, or home renovations. It shields your mattress from dirt, moisture, and damage, helping you keep it clean and safe. This bag fits standard mattresses and box springs up to 10 inches thick, so make sure to measure yours before buying. Its size of 92 by 60 inches with a 10-inch depth makes it easy to slip on and off. You’ll need tape to seal it securely, ensuring your mattress stays fully covered and protected throughout the process.

Protect your investment with Four Seasons Essentials Queen Mattress Protector. It has a six-sided zippered encasement that completely covers your mattress, making it waterproof and hypoallergenic. The Velcro zipper seal ensures that nothing gets in, and it's easy to install. The stretchable, breathable fabric is soft and noiseless, providing comfort while keeping liquids and contaminants out. This durable and long-lasting mattress protector is machine washable for easy cleaning and lasting use.

This queen size mattress protector is designed to fit your bed perfectly with a 60'' x 80'' dimension and 11-14 inches deep pocket. The high-quality zipper ensures that it won't get stuck or dislodged easily. It is waterproof on all sides and breathable, ensuring that any liquid won't leak into your mattress. The super-soft terry surface provides a comfortable feel while you sleep. If you have any questions, you can contact their customer service staff, who will reply within 24 hours.