Customers appreciate the economic wayeconomic way, positive sentiment to enjoy homemade soda and find the bottles easy to useeasy to use, positive sentiment. The product offers great tasting bubbly drinkstasting bubbly drinks, positive sentiment and is environmentally friendly. However, opinions on durabilitydurability, mixed sentiment are mixed, with some users reporting issues like warped mouths or mold growth in the base after dishwasher use, while others find them sturdy and convenient. The sleek designsleek design, positive sentiment is also noted positively, with some appreciating the clear bottles and ease of cleaning.