Product Name: Calcium Chloride Moisture Absorber Household Dry Box Type: Chemical Auxiliary Agent Function: Water Treatment Chemicals Timing Function: Without Timing Function Certification: CE Usage: Car, Home Delivery Detail: Shipped in 60 Days After Payment Shelf Life: 3 Years Purity: 97% Net Content: 230g Material: Calcium Chloride Lavender Particles Trademark: Taikong Transport Package: Portable Food Heater Eletment Specification: 250pcs/CTN; Origin: Jiangsu, China (Mainland) Product Description Product Name:usb mini dehumidifierComposition:Calcium chloride & Lavender particlesNet Content:230g(±3%)Shelf Life:3 YearsUsing Method:Please open the lid ,tear off the alumnium sheel(Do not tear off the breathable membrane),close the lid and place it in the humidity place.