Thermal binding covers with a capacity of less than 85 sheets are commonly used for binding documents. Here are some options: - **1/4" Thermal Binding Covers**: These typically have a capacity of up to 56 sheets of 20 lb paper. They are suitable for thinner documents and are compatible with most thermal binding systems. - **1/8" Thermal Binding Covers**: With a spine width of 1/8", these covers can hold around 30 sheets. For example, the Coverbind 1/8" White Design On Demand 8.5" x 11" Thermal Covers are designed for smaller - run personalized documents. - **10mm Thermal Binding Covers**: In some Chinese - sourced products, 10mm - thick thermal binding covers can hold 71 - 85 pages, which is close to the requirement. They are available in colors like white and light green. Contact Number (431) 489-5695