Product Name: Lai Ling Tablets Brand: TOOPRE (brand authorization available) Material: Semi-metal Packaging: Boxed Weight: about 35g/pair Box size: 38×30×10cm, Quantity: 100 pairs/box, Weight: 3.8kg/box. 1. The above price is for a pair (2 pieces) of grids, including leaf springs and pins. (Some models do not require leaf springs and pins). 2. This product has undergone multiple authoritative quality inspections and certifications, ensuring reliable quality. For export and wholesale customers who need a paper test report, please contact customer service to obtain it.