Detailed Product Description Specifications: 1) Main usage: urethral catheterization drainage for male patients who suffer paralysis or uroclepsia 2) Sizes: XL (35mm), L (30mm), M (25mm), S (20mm) Inner packing: 50pcs/box Outer packing: 1,000pcs/ctn Carton dimensions: 55 x 28 x 57cm