Providing extra safety, this push-down-and-twist child-resistant cap is compatible with all MSRA(R) liquid fuel bottles manufactured after 1981. Meets U.S. CFR 1700 and Health Canada requirements. Specs Width (Standard): 1.7 in Weight (Standard): 1 oz Length (Standard): 1.7 in Height (Standard): 1.9 in Country of Origin: Made in Seattle, USA