Brownmed SEAL-TIGHT Knee Cast and Bandage Protector, Medium

The Brownmed SEAL-TIGHT Knee Cast and Bandage Protector is a safe, economical, and effective waterproof covering for post-surgical dressings and bandages over the knee. Made from TPE (high-performance thermoplastic elastomer), it stretches easily over the knee, folds compactly for storage, and maintains a waterproof seal during showering and bathing. The open design allows freedom to stand or walk without interference, and the easy slide-on application eliminates the need for pumps, adjustable closures, straps, or adhesive tapes that may irritate the skin. Reusable. Not made with natural rubber latex. Medium size fits thigh circumference 19 to 23 inches.

Key Features

• TPE (thermoplastic elastomer) construction stretches easily and maintains a waterproof seal
• Open design allows freedom to stand and walk without interference
• Slide-on application — no pumps, adjustable closures, straps, or adhesive tapes required
• Latex-free — not made with natural rubber latex
• Folds compactly for easy storage and travel
• Reusable for the duration of cast or bandage wear
• Medium size fits thigh circumference 19 to 23 inches

Specifications

• SKU: 20325M
• Brand: Brownmed (SEAL-TIGHT)
• Size: Medium
• Thigh Circumference: 19 to 23 inches
• Material: TPE (high-performance thermoplastic elastomer)
• Latex-Free: Yes (not made with natural rubber latex)
• Closure: Slide-on, no straps or pumps
• Reusable: Yes
• Country of Origin: United States

Ideal For

This knee cast protector is well suited for adults recovering from knee surgery, arthroscopy, or lower extremity fractures who need reliable waterproof protection for their cast or post-surgical dressing during daily showering and bathing. It is a practical choice for patients who require a latex-free cast cover due to latex sensitivity, as the TPE construction provides the same stretch and seal performance without natural rubber latex. Physical therapy and orthopedic clinic staff who recommend cast protectors at discharge will find the SEAL-TIGHT Knee Protector a well-known, doctor-recommended option with a simple, patient-friendly application. It is also appropriate for patients managing post-surgical knee dressings who need a protector that allows them to stand and walk during bathing without the cover interfering with mobility or balance.

Frequently Asked Questions

How do I know if Medium is the right size?
The Medium size fits a thigh circumference of 19 to 23 inches. Measure around the thickest part of your thigh to determine your size. The Small size (SKU 20324S) fits 16 to 20 inches and the Large size (SKU 20326L) fits 22 to 26 inches. If you are between sizes, consult your orthopedic provider or refer to the SEAL-TIGHT sizing guide.

How does the TPE material create a waterproof seal?
The TPE (thermoplastic elastomer) is a flexible, stretchy material that conforms snugly to the thigh above the cast or bandage, creating a watertight seal that prevents water from entering during showering or bathing. Unlike latex, TPE does not contain natural rubber proteins, making it suitable for latex-sensitive users.

Is this protector reusable?
Yes — the SEAL-TIGHT Knee Protector is designed to be reusable for the full duration of cast or bandage wear. After each use, allow it to air dry before storing. Inspect the seal area regularly for signs of wear or damage that could compromise waterproof performance.

Can this be used for bandages as well as casts?
Yes — the SEAL-TIGHT Knee Protector is designed for use with both casts and post-surgical bandages or dressings over the knee. It provides the same waterproof protection for wound dressings that must be kept dry during bathing or showering.