Description: Material: Silicone Color: Yellow,Blue,Green,Black,White,Pink,Purple,Red Size: Length 20.5cm Package includes: 1 Pcs Bracelet Feature: Faster synaptic response (brain function), enhanced muscle response (in both fast and slow twitch tissues). Increased stamina (better oxygen uptake and recovery), more flexibility (faster recovery) and vastly improved gravitational balance. The 3mm thick wristband is made from 100% Surgical Grade Silicone that is extremely durable, featuring a 40% stretch feature for extra stretch over the hands. Notes: 1.Please allows 1cm-3cm difference due to manual measurement and slight chromatic aberration for different display setting. 2.Please understands because of the light irradiation or computer display difference,so I can't guarantee photos and real color is 100% the same. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.