The ODI Longneck ST BMX Scooter 143mm Grips in Green are standard grip handles made from a combination of plastic and rubber. The slip-on installation type makes them easy to install, and the set includes bar ends and grips. These BMX grips are designed for use on old school, dirt jumper, and BMX bikes. Made in the United States, the grips are lightweight at 4.04 ounces and come in a pair. The California Prop 65 warning indicates that the product can expose you to chemicals known to cause cancer and birth defects.