The mbc 185/40 is a free-standing paper ring mold. constructed with a corrugated sidewall and base. the mold has a brown background with a gold floret print overlay. the center hole is 3″. oven safe in temperatures up to 390° f. place molds on baking sheet for additional support in the oven. microwave and freezer safe. grease and warp resistant. suggested uses: cake|crumb cake|bundt cake|pound cake.