Best Saller uses EVA foam (ethylene vinyl acetate) for its soft line products of RPG worlds. EVA foam is durable, bendable and can be found in many products, such as Toys, household articles and footwear. In addition, EVA foam is very light, waterproof, insulating and shock absorbing (low risk of injury when rolling toys from Best Saller). EVA foam easy to clean and recyclable. All products of Best Saller EVA foam are tested in accordance with EN 71, have the CE mark, the "green dot" and meet the requirements of the European market.