The glasses are made of high-quality PC frame and PC sheet, with spring hinges that do not clamp the face. The box size is 80 * 28 * 42cm 300 pairs per box, with a gross weight of about 15KG per box. Due to different shipping batches, there may be slight differences in the outer packaging of certain products. We will provide users with aesthetically pleasing and high-quality outer packaging without affecting product quality. The SKU image in some products may display multiple products of the same style, for reference only. If the specifications are not clearly stated, the quantity of goods in that specification is 1 piece. [Product Testing]: Before shipping and packaging, our company will also conduct individual tests to ensure that you receive the goods without any quality issues. If there are quality issues, please communicate with me in a timely manner so that the problem can be resolved and unpleasant incidents can be avoided. Thank you for choosing our product!