Grandpa Charlie always carried a flask, and he would be proud of this one! - 6oz Stainless steel flask. - American Harness Leather from Wickett & Craig. - Eco-friendly vegetable-tanned, full-grain hides. - Unrivalled durability and long-term patina. - All sewn construction. - Hand-rolled edges. - #69 Bonded nylon thread. - The sleeve is fixed in place. Handwash only, please!