PRODUCT MATERIAL:ABS?TPU?PVCPACKAGING MATERIAL:PVC+COLOR CARDHOW TO USE:Clean the back cover of your product, tear off the ring bracket protective film, then press the ring bracket onto your product. Leave for 3 hours before use.FEATURES: 1. Small and easy to carry, adjustable length, after expanding can be used as a phone stand; 2.Earphone cable can be wrapped around it. 3. Cute We Bare Bears designPRECAUTIONS:Not applicable for product covers made of leather, cloth, and rubber, or in the shape of curves, uneven or matte surfaces.STORAGE METHOD:Keep away from fire and humidity. Store at dry and cool place.