The 700ml 750ml Spirit bottle is a common size for storing and transporting spirit. 

Some of the common features of the 700ml 750ml spirit bottle include a narrow neck, a flat base, and a cork or screw cap to provide an airtight seal.

The purpose of a 700ml spirit bottle is to store and preserve spirit, allowing it to mature and develop its unique flavor and aroma over time. The size of the bottle is convenient for sharing with a small group of people or for use in a restaurant or bar. The narrow neck helps to prevent oxygen from entering the bottle and affecting the taste of the spirit, while the cork or screw cap ensures that the spirit stays fresh for a longer period of time. Additionally, spirit bottles are often used for decorative purposes, as they can be displayed in a spirit rack or cellar to showcase a collection of fine spirits.

The 750ml size is considered to be a standard size for spirit bottles, and is used by the majority of spiritries and spirit producers around the world. This size is considered to be a convenient size for both individual and group use, as it provides enough spirit for several glasses while also being easily stored in a spirit rack or cellar. Additionally, the 750ml size is also easy to handle and transport, making it a popular choice for both consumers and spirit retailers.

One of the main reasons that 750ml spirit bottles are so widely used is because they are a standard size that has been established over time. This standardization makes it easier for spiritries to produce and distribute their products, as well as for consumers to purchase and store the spirit. Additionally, the 750ml size is also a popular choice because it is a versatile size that is suitable for a wide range of spirit styles and occasions.