... various sizes and shapes, we have 3 gallon, 5gallon, 6gallon, 6.5gallon glass carboy, also your designsare welcome!- your logo ... can be put on the body of carboy!Thick glass carboy for those who want to stay traditional. While ... you can't go wrong with a reliable solid glass carboy. Even the best plastic is permeable and if ... you're purist, glass is the way to go and it's all ...