ZING Green at Work Sign "Turn Off Lights When Not In Use" encourages green strategies for energy conservation and saving money. This mini green sign works well over light switches. Sign is made from high quality 70% post-consumer recycled plastic that is UL Validated for recycled content which substantiates material compliance with various green codes, standards, and procurement policies. Recycled material supports sustainability initiatives and LEED credits. Sign includes self adhesive pads for easy mounting and measures 5"H x 3"W. Made in the USA.