Each weighty, solid glass teardrop is individually hand blown by a skilled artisan,Ceiling canopy and fittings are crafted from solid brass.Handblown glass may reveal the artisan's touch in the form of small air bubbles or a slightly asymmetrical form. These are typical of a one-of-a-kind, handcrafted work of art. Overall: 18" diam. ;Minimum Height: 14" ;Maximum Height: 81";Canopy: 18" diam., 1"H ; Overall: 36" diam. ;Minimum Height: 14" ;Maximum Height: 81";Canopy: 36" diam., 1"H ; Overall: 46½" diam.Minimum Height: 14¼"Maximum Height: 81" (standard), 118" (long) (If need longer, please let us know)Canopy: 46½" diam., 1¾"HGlass Drop (each): 5" diam., 11"H; 5 lbs. Overall: 60" diam.Minimum Height: 14¼"Maximum Height: 81" (standard), 373¼" (long) (If need longer, please let us know)Canopy: 60" diam., 1¾"HGlass Drop (each): 5" diam., 11"H; 5 lbs. cannot be mounted alone to a standard outlet box and require additional bracing above the ceiling where they are to be installed. Professional installation is required.please note that this lamp requires self-assembly. We always check and pack all goods carefully before shipping. Customized designs are accepted. Size, number of lights, finishes and canopy shapes are all subject to change. Please feel free to contact us by email when you have any questions.Our email:[email protected]