Super Sprouter? Premium Heated Propagation Kit provides a complete system for starting your seeds or cuttings. The kit includes a Super Sprouter? 7 in Ultra Clear Vented Dome with built in light track channels, Super Sprouter? 18 in high output T5 fluorescent grow light designed for the channeled dome, Super Sprouter? Double Thick 10 x 20 inch tray with no holes, Super Sprouter? heat mat, Art of Propagation booklet with expert advise for starting seedlings and cuttings and a packet of Clonex? Rooting Gel (EPA No. 79664-1). Just choose your favorite media and you are good to grow. Mat is ETL listed and the light is UL listed.