Note: The flexible and squishy nature of these products means they will not last indefinitely. We'd love them to, but unfortunately they don't. Depending on use they may last an hour, a week or a year. Generally the friendlier you are, the longer they last. All squishy and stretchy items are durable, but not indestructible. Not recommended for children who may try to bite, chew or ingest the contents. Avoid aggressive or excessive squishing, stretching and contact with any sharp objects