Introducing the Overload Stroker Gas Mask Kit for breath play enthusiasts. With an integrated one-way breathing valve, it provides an exquisite blend of airflow and aroma while ensuring each exhale expels carbon dioxide effectively. The 20-inch hose links to an aroma bottle that can be filled with enticing liquids to enhance restriction. Its unique masturbator sleeve adds an erotic twist, allowing your partner to engage in oral pleasure as you breathe through the mask. Adjustable silicone head straps guarantee a snug and custom fit, offering an immersive experience. Measurements: Hose: 20.2 inches length, 40mm thread. Bottle holds up to 1L of liquid. Sleeve depth: 4.2 inches. Materials: Mask: Silicone, aluminum, polycarbonate. Hose: Rubber, aluminum, fabric. Bottle: Plastic. Sleeve: Rubber. Color: Black, clear. Note: Use only with water-based lubricants.