Family Mat Mosquito Vaporizing Mat tablet Refill Thermacell Family MAT is Mosquito Mat very effective in repelling mosquito for 12 hours . Each mat contain DIMEFLUTHRIN of 7.4 mg per mat. The poison class IV is very effective to repel insect and mosquito. It is designed to suite for electric and thermal device. Dimension Mat Size of 35 mm x 22 mm x 2 mm is able to fit any standard electric heater and thermacell device. When using thermacell device, place 2 pieces mat vertical inside the heating pad. PACK AND SHIPPED ACCORDING TO ORDER IN SECURED PACK. No original box included to save the shipping cost. There is 2 version mat. Will shipped which is available. Both are same quality. The item will be shipped through MALAYSIA POST or THAILAND POST courier service, REGISTERED WITH TRACKING NUMBER. This meaning, authorize receiver are compulsory when delivering. Make sure you inform the postal if you are away during the shipment period so they may keep the item till you pick it up. Buyer are advised to refer/check if this item is legal entry to buyer nation. Seller is not responsibility to any obstacle cause by the local authority that will cause late delivery. If the item is being denied entry or held or confiscated by the authority, seller is not responsible at any cost....DO NOT SHIP TO CANADA.