The original pop stool: looks like a giant envelope; turns into a designer stool. Simple. Assembled from one durable piece of material and available in eight contemporary colors. It has all the practical, space-saving advantages of a storage-friendly pop stool - combined with a modern, minimalist look. Weighing in at only 5 pounds, Flux Pop Stools are light enough to carry around and strong enough to support up to 300 pounds.