Good cleaning habits are the best way to preserve the product.
Clean the item thoroughly both before and after use. Please prepare water, soap, or toy cleaner before cleaning. Soak the item in water, add the appropriate amount of soap or cleaner, let it soak completely, then wash with water and wipe dry.
Regarding the storage, you can use the product's original factory bag packed while not using it to prevent the product from absorbing dust.
More about the toy care: Toy Care Introduction