Bits and Pieces - Solar Powered LED Butterfly Jar - Hang or Place this Light in your Home or Garden Our captive butterfly illuminates at night for a delightful home addition or nightlight. Filled with synthetic green grass for a lifelike appearance, the acrylic orange butterfly glows brightly when the sun goes down. The mason-type glass jar charges by with the solar panel on the screw top lid. Contains an on-off switch inside lid. Measures 3" in diameter x 5-1/8" tall.