Step Stability:Aerobic step provide strong and stable footing because of its rubber feet which reduce the chance of slipping and also reduce strain on the joint. Weight Capacity: Step can endurance up to 100kg of weight without any flexibility which indicates its durable and reliable built quality. Upper Surface: Upper surface is coated with premium quality of non-slip material which helps to provide strong grip and prevent from slipping. Composition: The Aerobic step composition material is PP and TRP plastic which provide the strength to endurance weight.