The tubolo is probably the most versatile  drum ever. The lug tuned model model is the original generation of GMP tubolos and the best sound quality of all the tubolo models.
All tubolo models have the GMP AIR drum system that allows the bass to project when the drum is sitting flat on the floor. As the bottom is quite wide, allows for stabilty when being played by hand or with a mallet.
The Tubolo is a tube shaped drum with the patented bass port enhancement system that allows for a beautiful conga sound with the vinyl Napa head, or a powerful djembe sound with a Fibreskin head.  Lug tuned heads can be changed in 10-15 minutes. Excellent sound when using a soft mallet or with hands. Tuneable tubolos can be tuned to a specific note, has about a 3-4 scale note range when tuning to pitches.
All tubolos are 24" tall so a perfect height for sitting and playing. Great for schools, music therapy, hospital and seniors programs. Get a set and perform as a conga set, sounds amazing with when using microphones. 
The 16" tubolo is an excellent gathering drum and can be mounted to be a portable drum set bass drum stand. The 12"14"and 16" tubolos make a nice set of classroom surdos for samba programs as well as beautiful hand surdos for Brazilian Bossa Nova or Chorro accompaniment. You are only limited by your imagination on the many uses of this incredibly versatile drum.
Travel bags available for all sizes except 16"