This pump is made from high-density ABS plastic and food-grade silicone, ensuring safety. It features a rechargeable 1200mAh lithium battery, providing up to one month of use per charge. It is compatible with gallon bottles of various capacities and neck lengths of 2.16 inches. The price drops from $13.99 to $6.99 when you apply the coupon code "7FACLS3S" at checkout. Shipping is free for prime members or on orders over $35.