The back of structure II. Eaton writes, "The rooms in this building are large. A raised bench is at each end of the front rooms, and each inner room has a single raised bench covering most of the floor space. The smaller end rooms have benches on two levels, the innermost being the higher.
Charcoal and incised graffiti literally cover all remaining wall plaster in the rooms. The graffiti include illustrations of humans, many of whom are wearing elaborate costumes; various animals; serpents; imaginary monsters; and buildings. Most of the buildings depicted represent stepped pyramidal structures, surprisingly similar to structures at Tikal."