A refillable cartridge for a vaporizer is disclosed. The refillable cartridge includes a body housing a reservoir for storing a vaporizing product. The refillable cartridge further includes a lower ceramic pad with a through hole providing access to the reservoir. The refillable cartridge further includes a lid slidably fastened to the upper end of the body. The refillable cartridge further includes an upper ceramic pad positioned at a lower end of the lid. The upper ceramic pad seals the through hole when the lid is slid to a first position and uncovers the through hole when the lid is slid to a second position.