Lace mattresses will have a product description sewn on one of the four corners of the mattress, and you can see the model number on it. Lace mattress refers to lace. American Lace is the trademark name registered by Yunchitong Furniture Co., Ltd. with the State Trademark Administration. American Lace was founded in 1938. For more than 80 years, Lace has been committed to creating a high-quality sleep culture.