[Two Mask Sizes] This replacement nebulizer set features masks designed to fit both children and adults, ensuring comfort for the whole family. [Soft and Material] Nebulizer masks are crafted from soft yet sturdy materials, and they provide comfort without compromising on quality. [Reusable and Cleanable] This nebulizer kit is not only reusable but also eco-friendly, making it a smart and sustainable choice. [Recommended Tip] To hygiene and optimal performance, please remember to clean the nebulizer kit after each use. For optimal performance, we advise replacing them once a month. [Ideal for Home and Travel] Perfect for both home use and , these nebulizer masks and tubing are versatile and practical for all your needs. Color:As Shown Material:plastic Package Contents: 1 * adult mask 1 * child mask 1 * mouthpiece 1 * nebulizer 1 * catheter 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.