Here are some more stackable chairs for you called the Super Hero Chairs. The chairs are another lightweight solution you can count one, especially during occasions, simple and functional to make sure you and your guest get ample seating.
The chairs were designed in a way to make sure that they are truly lightweight, each featuring wide openings to make sure that little raw materials are used as much as possible.
The chairs were called Super Hero chairs since when unfolded, they seem like cloaks which are easily associated with the fictitious heroes we all read or see of today. The chairs are made from 10mm thick sandblasted acrylic sheet and should be an easy solution for folks wary about storage space after use.