PetSafe Deluxe Pet Panel, Large/Tall, Satin Heavy duty aluminum construction with shatter resistant Tempered safety glass Adjustable height for 76 3/4 In. to 81 In. with a 9 In. riser for long-legged dogs Reversible lock for right or left sliding doors, security cover may be installed on either side. Flexible, safe and not-toxic see-through vinyl flap Easy-to-follow installation manual.