CafePress - Yo!!! - Stainless Steel Flask, 6oz Drinking Flask This quality stainless steel flask measures 3.75" x 3.75" and holds 6 oz. The professionally printed design looks great, and makes the perfect gift for men or women. Treat yourself, or give this flask as a groomsman gift, bridesmaid gift, or gift for Father's Day. The sleek curved liquor flask is contoured to fit nicely in your pocket and hugs the body. IMPORTED. We offer 100% money back guarantee, so you can buy with confidence. Your satisfaction is our promise, and returns/exchanges are made easy.