This 1g cartridge is compatible with 510 thread batteries only that is not included. Taste the summer with this 1g Watermelon Mimosa cartridge from Micro Bar. Another summertime favorite, this hybrid strain provides a bright and fruity flavor that will take you right to July. The Watermelon Mimosa is a hybrid strain, perfectly balanced to leave you with that sticky, sweet, juicy sensation and beautifully calm.