rubber decelerator 1.natural rubber, yellow&black color 2.slow vehicles speed 3.corrosion resisting &fadeless 4. durable Features:1. They are made from natural rubber which is flexible and high anti-impact.2. Warning colors, black and yellow, is eye-catching for drivers in daytime3. During night, reflectors are high visible 4. Good weather ability, corrosion resisting, wear resisting5. Removable, ...