This product is designed to work effectively. It is durable & convenient as well. It is definitely a great quality product.

Size:30oz. The yeti rambler straw lid lets you enjoy frozen drinks with its wide design that allows both thick and thin liquids to flow through it easily. Molded in stopper keeps straw in place. Shatterproof construction is BPA free. Dishwasher safe.

Size:20oz. The yeti rambler straw lid lets you enjoy frozen drinks with its wide design that allows both thick and thin liquids to flow through it easily. Molded in stopper keeps straw in place. Shatterproof construction is BPA free. Dishwasher safe.