Dabakan
It is a single-headed Philippine drum, primarily made from the wood of the coconut tree or the jackfruit tree. The wood is then hollowed out and is fitted with a drumhead of either goat skin, deer rawhide, etc. One can also find very fine Okii Patterns on this instrument. It's primary use is, as a supportive instrument in the kulintang ensemble.

Wikipedia: https://en.wikipedia.org/wiki/Dabakan
Also known as: dbakan, debakan (Maguindanao), dadabuan, dadaboon (Maranao), libbit (Tausug), tibubu (Poso) and a tiwal (Kulawi and Minahasa).
Origin: Dabakan is derived from the word, dbak meaning to "hit, strike, or beat," meaning that the dabakan is something upon which you hit.
More Info: https://museomusiko.wordpress.com/membranophones/goblet-shaped-drums/dabakan/
Disambiguation: Percussion instrument native to the Maguindanao people