Made of high quality plastic material, the retractable folding stool can load up to 600lbs, it’s firmly and durable. This portable seat can be adjusted to the height from 2.36 to 17.72 inches, and it is only 2.12 pounds. The adjustable strap makes the folding stool easy to carry by the way you like. There is a closing and opening button on the bottom, when you sitting or storing, please make sure the closing button is locked, it can prevents automatic opening when you sitting and increases security. We can print your company’s logo. The prices for 210pcs or over are based on ocean shipments.