ABS plastic frame is durable against external forces. Also wear and tear, water and detergents. The wheel has a unique locking system that is very beautiful and the operating force is significantly lighter than similar products. Rubber treads are soft, ride smoothly, non-marking and make less noise.

Pneumatic tire absorbs chock on uneven floor by cushion of compressed air. Absolutely recommended for hospital, resort, hospital, labs, outdoor, etc. However, price is steep: 2 - 3 times higher than the domestic solid rubber one.