ITEM NAME:4 Pcs/lot Notebook Accessory Laptop Heat Reduction Pad Cooling Feet Stand Holder.2 big cooling pad and 2 small cooling pad can be used together, it will not do harm to your computers. 2 x Big Cooling Pad. 2 x Small Cooling Pad. It can enlarge the heat dissipation area and space of the bottom of the computers by adding the height of the notebooks.
