Achieve the fast, noticeable results you desire with LuvPump. This robust enhancement tool combines premium craftsmanship and durability, making it essential for men looking to enhance sensitivity and enlarge their penis or maintain a strong erection. - High-quality medical-grade cylinder with a comfortable sleeve for a better seal - 100% silicone hose that never pinches, allowing air to pass freely - Clear vacuum tube with universal measurements - Quick release valve for easy and safe suction break - User-friendly pump handle for one-handed operation - Length: 30 cm - Inner Diameter: 6.4 cm How to use: 1. Lubricate the sleeve of the cylinder and your penis. 2. Insert your penis into the cylinder, ensuring it stays pressed against the base to prevent air escape. 3. Gradually pump, feeling a slight pulling sensation; start slowly to avoid discomfort and use the vacuum release valve if needed. 4. Continue adjusting the pressure until comfortable. 5. Ensure no air escapes (unless necessary) and wait 20 minutes, adjusting the vacuum as needed.