Features: Crafted with aluminum alloy, this lightweight and durable equipment ensures a comfortable experience. Its is treated with anodization, providing resistance against corrosion and rust for long-lasting use. Enhances your ear pressure balancing skills on land to enhances your comfort during dive. Improve and fine tune your ear pressure balancing skills to enhances your performances and comfort during dive. Whether you're a beginner or an experienced diver, our product offer the necessary support and practice opportunities to refines your skills. Specifications: Material: Aluminum alloy Color: Purpleness/Redness/Gold/Blue/Black Size: Approx. 6x2cm/2.36x0.79inch Package Includes: 1x Ear Pressure Equalizers note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.