This set of three 20-inch bike inner tubes is perfect for BMX and kids' bikes. With a valve type of Schrader, these tubes are easy to instal and maintain. The tubes are made by Eastern, a trusted brand in the cycling industry. The set includes three tubes, all with a wheel size of 20 inches. The tubes are black in colour and are suitable for a range of bike models. Whether you're a professional BMX rider or a parent looking for tubes for your child's bike, this set is a great choice.