Come and Check Our Promo Solutions.Unique dumbbell design, deliver your recommended daily water intake in 2.6L / 88 oz capacity. Enough water for staying hydrated before and after workout, outdoor sports and hiking camping water supplement, greatly supply for daily home office and outdoor life. Safe food grade for daily water containing, odorless and nontoxic, reusable and durable for long time use, safety and health. Pls check inventory and detailed info with us before placing your orders.