On 2020-5-21, we have shipped out the 2000pcs seeding heating mat for our Japan customer. the Heating mat is made of the heating cable inside as the heating material, with the Aluminum foil as the heat transfer material and foam as the temperature insulator, and outside with the hotwelded PVC film sheat. the size of the seeding heating mat is HEATING MAT 100V 85W 900MM*600MM. This mat heater is used on the Seedlings for domestic use, they are put into the small greenhouse. this is very popular in Japan, Austrilia, and America.