40 x 30xm It is a must have if you make shirts, hats, or anything with htv or sublimation. It can also serve as non-stick oven liners for baking, cooking. Ideal for heat press and DIY various craft projects. Helps when ironing those delicate fabrics like silks or any fabric to avoid iron burn Heat Resistant up to 260 degrees Celsius.  The non-stick sublimation teflon sheets can be reusable and durable used for many times both sides. the non-stick attribute made them easy to clean. Easily wipe off messy materials like wipe paint, glue, paint, wax or clay. Even after a period of use, you just need to use a mild detergent to clean it with a soft sponge and air dry. The heat transfer paper are made of glass fiber, which are temperature resistant and water repellent. Sold per sheet