This is a soft saucer (a soft, sponge-like frisbee) from BorneLund. It was purchased from the BorneLund official website. The following is an excerpt from the product page: [Product Name] BorneLund Volley Soft Saucer [Color] Yellow [Product Description] A soft material sports saucer that can be enjoyed by children and adults. Soft, safe material (polyurethane) that doesn't hurt when hit. Features a special non-slip coating called "elephant skin." Size: Diameter 25cm, Thickness 3cm Country of Origin: Germany Age: 3 years and up A light and soft saucer (flying disc) made of sponge. It wrinkles when squeezed and returns to its original shape when released. Let's play catch with it, facing each other, like a game of catch. It doesn't hurt at all when hit, which can alleviate children's fear when catching the saucer, leading to an interest in physical play and improvement.