This is a large capacity pen case, the spacious pen case has enough space for your writing supplies and accessories, it is equipped with an internal mesh pocket to keep your supplies organized, the triangular design and flat bottom surface make the pen case stand upright on its own, it can store pens, erasers, rulers, etc., and is made of waterproof and stain-repellent materials. Available in 4 colors: brown, orange, black, green.