2 Masks included: The inhaler spacer comes with 2 masks, each designed for cats and small dogs. The masks are made from silicone and have a round shape to provide a comfortable fit for your pet. inhaler spacer: This spacer is designed to be used with metered-dose inhalers (MDIs) for cats and small dogs. It helps to deliver the medication directly into your pet's lungs, improving the effectiveness of the treatment. Round shape silicone mask: The silicone mask is soft and flexible, making it comfortable for your pet to wear. It has a breathing indicator that lets you know when your pet is inhaling the medication. Feline aerosol chamber: The inhaler spacer has a feline aerosol chamber that helps to distribute the medication evenly throughout the air. This ensures that your pet receives the correct dosage of medication every time. Easy e: The inhaler spacer is easy e and can be attached to your inhaler. It is and portable, making it convenient to take with you when you travel with your pet. Colour:Transparent-White & Blue Material:Plastic Package Contents: 1 * Inhaler Spacer 2 * Masks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.