Reliable Material:The car shoulder and neck belt positioner is made of high-quality PP material, structural robustness, waterproof and wear-resistant, well-made, and not easy to be damaged or faded, which can reduce the pressure of the seat belt on the person and multiply the comfortable feeling.Practical Design:The car seatbelt clip is designed with an open and close design, which controls the tightness of the seatbelt by adjusting the clips on the back of the product, helping you to quickly adjust to a comfortable seatbelt position. The clip has a built-in non-slip convex nail, which is not easy to loosen or fall off once fixed.Keep Comfortable:The universal car seatbelt positioner keeps the shoulder belt a little slack, prevents the seatbelt from pulling your neck and shoulders too tight or putting pressure on your chest, and protects your shirt/blouse from wrinkles/abrasions due to friction, which won't affect the safety of driving, and bring you a comfortable driving experience.Easy to Install:The car seatbelt adjuster is easy and convenient to install, just detach the top and bottom covers, place the bottom cover under the seatbelt fasten the top cover, then lift the top of the clip and slide it to a comfortable position, close the clip to fix it. (Suggest you can leave a gap of about 3cm)Applications:The car seatbelt retention adjuster measures about 2.361.570.65 inches, suitable for most cars, SUVs and other vehicles, and can be used for car seatbelts up to 2.0 inches in width. Note: Before purchasing, please check the size of the product to make sure it fits.