Strongrebound speed ball: Inflatable speed ball made from wearresistant PU leather. Durable, comfortable to grip, and designed for a fast 90degree rebound to improve timing and accuracy. Freestanding punching bag: Floorstanding reflex bag with no wall mounting. Adjustable height from 0.8 m to 1.6 m on the bucket base, or 0.8 m to 1.4 m on the flat base, adjusted via a valve. Stable base options: ABS bucket base accepts water, sand, or a mix, with six suction cups for stability; when empty, it is easy to move. Flat base uses sixteen suction cups and a protective cover to grip smooth floors securely. Boxing speed trainer: elastic spring provides quick returns after each strike, delivering fast 90degree rebounds to train reaction and handeye coordination. Practical use scenarios: Home cardio and warmups; speed and reflex training for boxing or fitness routines; stress relief after work or school. Materials and durability: PU leather ball, ABS base, and a sturdy frame designed for regular training sessions.