Features: Suitable models: Designed specifically for 13.3 inch Dell Inspiron 13 5330 /5320 /5310 & for Dell Vostro 13 5320 /5310, not suitable for other models. Please do check. Material: PU leather [Like canvas texture]+ultrafine fiber lining, surface breathable, anti slip, anti fingerprint, anti splash [needs to be wiped dry in a timely manner]. Delicate lining prevents scratches on your laptop. Keeps laptop looking new for years to come. Design: 2-in-1 design, with a magnetic suction in the middle for easy installation and disassembly. The edges of the protective cover are approximately 2-3mm longer than those of a laptop to prevent accidental collisions. Side design Pen holder for placing a stylus [This product does not include a stylus]. Attention: Please be sure to check the external size of the laptop [refer to the size shown in the picture] to avoid not being able to use it. Heat dissipation: A row of heat dissipation holes are designed on the back of the protective shell, providing excellent heat dissipation performance. Please make sure to check the model and size. This protective cover is only suitable for the following models: 13.3 inch Dell Inspiron 13 5330 /5320 /5310 13.3 inch Dell Vostro 13 5320 /5310 Not suitable for other models! Parameters of this protective sleeve: L * W * H: 305*220*25mm Weight: 0.35kg Material: PU leather [Like canvas texture]+ultra fine fiber lining Main function: Protect laptop, prevent scratches and accidental collisions,Extending the lifespan of laptops.