Adjustable nylon chest strap for backpacks, with non-slip shoulder harness buckle, universal fit for adults and children, secure backpack belt, black All items are shown in the second photo. Prevents backpack shoulder straps from slipping and frees up both hands. ✨️For those who purchase with other items... We will discount the shipping cost because it will be cheaper when bundled. Please write in the comment section. If you want anonymous shipping, please comment as well. ✨️Please note We will handle returns and claims before the review, as much as possible, but we may refuse to respond to the buyer's issues or excessive requests, so please be aware. If you are looking for high quality or support, or if you are looking for perfection, or if you are concerned about various things, please purchase from someone who provides a guarantee.