Crafted from high-quality aluminum alloy, this ear pressure equalizer is both lightweight and robust. The anodized surface enhances corrosion resistance, ensuring long-lasting durability. Ideal for underwater free diving, this ear pressure equalizer serves as a practical auxiliary training tool. Perfect your ear pressure balance anytime, anywhere with this versatile equipment. Featuring a double-sided middle groove-design, this ear pressure equalizer offers improved ergonomics for enhanced grip strength. Enjoy stable hand-held use during your diving practice session. The ear pressure balancer is a professional-grade tool designed to enhance your free diving practice. Elevate your training experience with this specialized-equipment. Dive confidently with the aid of this ear pressure equalizer, which provides stability and support during your underwater activities. Maximize your diving performance with this essential tool. Description: Introducing the ear pressure equalizer, a high-quality aluminum alloy tool designed for underwater free diving practice. Crafted for durability with a corrosion-resistant anodized surface, this ear pressure equalizer is both light and strong. Its double-sided middle groove-design enhances grip strength and stability, making it a professional and ergonomic training tool for balancing ear pressure during dives. Practice anytime, anywhere with this practical diving aid. Item Name: Pressure Equalizer Material: Aluminum Alloy Features: Easy to Use, Practical, Reusable, Long Lasting Size Details: L: 5.9cm/2.32", W: 2cm/0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Pressure Equalizer 3 x Balloons 1 x Storage Box