This stainless mug features an ultra-lightweight, small diameter body that makes it comfortable to hold and carry. Stainless steel vacuum insulation. Tea leaf filter allows steeping of tea directly in the mug while stopping loose tea leaves from flowing out while drinking. Easy-to-clean nonstick coated interior. Tight fitted lid keeps beverages hotter or colder than travel mugs. Stainless steel/BPA-free plastic. One-year limited warranty. Imported. SIZING. Weight, 0.09lbs.2.75"W x 2.75"H x 6.75"D.