Features: High quality of materials. Soft, comfortable, lightweight form-fitting mesh Features highly visibility reflective breathable fabric material for safety This is a vest and will keep you safe when cycling or running at night！ Lightweight,breathable and adjustable. Easy to put on and take off. It is consist of several reflective lattice and LEDs. Eco-friendly and effective. Designed for runners and athletes, children and adult, perfect for night walking, cycling, running, jogging and so on Specification: Material: Cloth/Reflective Lattice Type: Cycling/Running Vest Color: Orange,Fluorescent Yellow Style: A(Without LED), B(With LED) Light Type: LED Power Supply: 3V 2032 Battery(Included) Dimensions: Length: 56cm/22.05 Bust: 41-55cm/16.14x21.65 Adjustable Weight: 88g Quantity: 1 Pc Package Included: 1 x Reflective vest Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2cm differences due to manual measurement.