Protective effect: It is inevitable that you will encounter bumps and bumps during the car journey. This shoulder strap can protect the shoulders of your family or children from pain and injury. When tired, your children can also be safe and comfortable in the car. Go to bed. .Easy to install and disassemble: the pillow core and pillowcase of the shoulder guard pillow are separated, and the pillowcase is equipped with a strong Velcro (with super adhesive force, making the seat belt more stable). It is easy to install and disassemble, which is convenient for you to disassemble and write for cleaning. .Triangle retainer design : The seat belt retainer is designed according to the stability of the triangle. The small body plays a big role, and it is stable and not easily deformed, which can alleviate the restraint of traditional seat belts on the body. It is a good companion for car travel (a great choice). .Comfortable and breathable: The inner of the shoulder strap is filled with cotton fabric and velvet fabric, which is soft and comfortable to wear. The pillowcase is made of high-quality mesh cloth. The breathable mesh fabric can keep the surface of the shoulder strap comfortable and dry, which is very suitable for children. .Wide range of uses: This shoulder strap can be used not only in cars, but also in backpacks, handbags, suitcases with straps, golf bags, etc. The comfortable and soft design can reduce shoulder and hand soreness. .