1.Selected Material : Constructed of sturdy and rustproof aluminum tubes, the tennis ball hopper with wheels, Besides, the basket is made of premium 600D Oxford cloth, which is wear-resistant and anti-tear 2.Foldable & Design : The frame of this tennis ball holder can be easily folded into a compact size after removing the basket. Also equipped with a carry bag, you can take this ball cart light weight of 8 lbs anywhere you want effortlessly 3.Free Movement & Lockable Wheels : This lightweight sports teaching cart comes with 4 universal wheels, allowing you to move it around with ease. What's more, 2 of the wheels are equipped with brakes to lock the cart in place when needed 4.SUPER CAPACITY : Our tennis basket has a large capacity design, tennis bag and side pocket storage,two in one, with large capacity. which can hold at least 165 tennis balls,with bottom insert which have strong support and will not droop