MEDIUM SPECS: Weight: 3 oz. Volume/capacity: 14 oz. Compressed dimensions: 1/2"H X-LARGE SPECS: Weight: 6.8 oz. Volume/capacity: 28.8 oz. Compressed dimensions: 1"H DESIGN & DETAILS: Great for backpacking, camping, traveling, packing a lunch Convenient for lunches, meals on the go BPA free design Easy to clean threads Ergonomic, quick and easy lid closure Measurement markings along the interior Collapses to a space-saving height when not in use