Model Number: CL 16021-1 Brand Name: MoGo Pet Key Specifications/Special Features: Mesh Dog Harness Features: 1) Stylish holly inner makes your dog the super star in the crowds2) Ergonomic Design ensures Ease of Use putting on and taking off Harness. 3) Comfortable Lightweight Mesh Lining4) Adjustable Straps 5) Reflective material for Good Visibility at night6) Sturdy Handle for Easy Seat Belt Attachment while riding in your car. Material: Mesh+ 1680D oxford nylon neoprene liningSize :S:18"-23"(Chest) 16“-19” (Collar)M:22"-28"(Chest) 20”-25" (Collar)L:24-34"(Chest) 27”-35" (Collar)