This flask is stainless steel with a sleek looking shape to easily fit into your purse or pocket. This Skinny Mini otherwise known as “the lady flask” has a new and improved copper dual insulation and double walled technology for hours of cold or hot. The stainless steel construction and easy grip carry strap for an elegant and dainty look. Measurements - 2"L X 2"W X 8.5"H 7.8 oz • Stainless Steel • BPA Free • Spill-Proof