OEM Design Tennis Racquet Vibration Dampener Silicone Tennis Dampeners Custom Logo. Custom Pattern & Design: Full customization for pattern, design, and trademark to enhance brand uniqueness. Eco-Friendly & Safe: Made of safe PVC material, eco-friendly and suitable for promotional gifts. Vibration Reduction: Mini silicone dampener designed to reduce racquet vibration and enhance comfort. Global Certifications: Approved with CE, EC REP, UNIVERSAL APPROVAL, and China Product Safety. Flexible Customization: Supports full customization, minor customization, and customization from designs. Professional Support: Professional team with own factory, providing online technical support. Quality Guarantee: 100% final inspection before shipment to ensure product quality. Competitive Pricing: Reasonable prices with big discounts from forwarders for best shipping options.