Material of Clogs-- The upper, inner lining and sole are all made of EVA material which is waterproof, corrosion resistant, environmentally friendly, shockproof, and lightweight.Lightweight-- Each pair of shoes doesn't exceed 1 lb. It's like walking on a cloud.Multi-purpose Clogs-- Can be worn at home as slippers, shower shoes, garden clog shoes,water shoes. Also can be worn as beach footwear or walking shoes outdoors.Note-- Don't expose the clogs to high temperatures or prolonged exposure to the hot sun to prevent deformationAbout packing-- Clogs are simply packed for facilitating transportation.If the clogs deform during transportation,you only need to soak them in warm water for somtime and wear for a few days,they will return to their original shape.