Feature:1. Fully enclosed design dust cover, anti-scratch, and anti-scratch safety upgrade.2. Prevent oxidation short circuit, so as to avoid battery contacts exposed to moisture and oxidation for a long time.3. Dustproof, waterproof, and foreign matter prevention, preventing conductive particles from entering the battery contacts and causing a short circuit.4. Soft silicone material, will not scratch the contacts and fit closely with the interface.5. Tear-resistant, non-deformation, durable.Specification:Product Name: Sunnylife Full Surrounding Battery Dust CoverModel: MM3-DC405Applicable models: Mini 3 ProMaterial: SiliconeSpecifications: 3 packsNet weight: about 9g/pcGross weight: about 30g (3pcs/set)Packing List:Battery Dust Cover*1