The product is made of high quality and thick plastic. The hook is made of metal and is stably anchored in the vacuum chamber. Especially the pressure system is very good in my opinion. It allows a stable vacuum, which does not go beyond a high level. In addition, you can quickly neutralize the pressure in case of emergency. In addition, it is able to hold a relatively large amount of weight. All in all, I am very satisfied with this product.
Thank you so much for the great feedback. Much appreciated. Please let us know if there is anything else we can do.
Mike and his products are the vest. Inspirational person!