Our exclusive Alpha® Chair has a waterfall seat and unique curved frame which is incredibly strong making the chair difficult to rock. Stacks up to 6 high and comes with a 25 Year Frame Guarantee as standard. Conforms to BS EN 1729 parts 1 & 2. Our exclusive Alpha® range is a proven favourite, tested in hundreds of schools thoughout the UK. Traditional in it's design, with robust and stable frames and quality tops to ensure great value for money.