Anti-slip, equipped with two velcro for easy installation and removal. Made of high quality 600D polyester. Top pocket perfect for keeping your mobile phone (screen size ≤ 4") Two side-pockets for containing towel, sunglasses, etc. Both sides have the reflective strip for safe riding at night. Suitable for all types of bikes. Stylish, novel, eye-catching. Specifications: Color: Black + red Material: 600D Polyester Main pouch size: 14.5*11.5*5.5cm / 5.7*4.5*2.2in Weight: 85g / 3oz