Enterprise Development Story Mabuya Glass Whiteboard. Msizi Ngwenwa. Mabuya Glass Merchants is currently producing trial aluminum framed glass boards 80 cm by 60 cm at a price of R299 (excluding packing and shipping and installation which any DIYer can easily do) (October 2009). The size is perfect for every office. Id love to take orders for him while he perfects his quality. Take this opportunity to support his enterprise, earn BEE points but more importantly help his business thrive.