Can be used in any environment where there is no gravity. The Eating Aid is made out of soft plastic. The Eating Aid is supposed to help astronauts eat easier wherever they go. It contains a wristband so that astronauts can put it on. There is a knife, fork, spoon, and a clip attached to springs that can stretch so that it is easy to grab and eat. The springs are connected to the wristband. The clip is there so that astronauts can attach anything they want to it. The Eating Aid will help astronauts to have all of their eating utensils close to them. The gravity is not a problem with this aid.