Compact size, light weight.Suitable for outdoor sports like traveling, cycling, hiking, etc. Five pairs of lenses: Polarized lens (black): Eliminate and filter scattered ray and prevent extra strong light from hitting eye, suitable for sunny day. Blue lens: Improve visual contrast and clarity, suitable for foggy weather. Transparent lens: Suitable for cloudy and rainy day. Colorful lens: Absorb the reflection of visible light. Yellow lens: Increase light brightness, suitable for night or dim place. Specifications: Gender: Unisex Lenses color: Black/blue/yellow/transparent/colorful(five colors in a package) Lens material: Polycarbonate Frame material: Polycarbonate UV protection: UV400 Lens size: Approx.7.5 * 4cm / 3 * 1.6in Temple Length: Approx.14cm / 5.5in Glasses weight: 35g / 1.2oz Package size: Approx.17 * 11 * 5cm / 6.7 * 4.2 * 2in Package weight: 250g / 8.7oz Package List: & 1 * Sunglasses (including a pair of polarized lens preassembled) 4 * Pairs of polycarbonate lenses 1 * Glasses cloth 1 * Glasses pouch 1 * Glasses case 1 * Glasses band 1 * Glasses rope 1 * Test card