1. Design Structure: As an indispensable basic piece of furniture in daily life, the functionality of chairs has evolved from simple seating to a comprehensive support system that combines functionality and aesthetics. Structurally, a typical chair consists of four parts: the seat, backrest, armrests, and supporting legs, forming a stable support system. 2. In various locations such as beaches, parks, campsites, kitchens, living rooms, or courtyards, people may need to adjust the position of chairs according to actual circumstances. Folding chairs, due to their lightweight and collapsible design, can be easily picked up and moved. 3. Outdoor activities often require long periods of walking or standing, which can lead to physical fatigue. Folding chairs can provide a comfortable resting spot. They typically have an appropriate height and width, and some chairs are also equipped with armrests and back cushions, allowing people to relax their bodies more effectively during breaks. 4. Made from durable materials capable of withstanding a certain weight and harsh outdoor environments.