3 Infused Pre-Roll with Kief & Wax Flower 25-50%THC "Joint" that is also packed with some type of concentrate, including Kief, Wax, or Shatter. Many Infused Pre-Rolls are formulated for Relaxation, making them suitable for unwinding after a long day. Some Infused Pre-Rolls are made with specific effects in mind, such as uplifting sensations for Daytime use or Deep Relaxation before Sleep.