Penn Plax Cambodian Rock Faces Aquarium Figure - 5L x 4W x 5.5H in. ARTISTICALLY DESIGNED: inspired by the enigmatic Cambodian structures, this stunning piece of aquarium dcor is the perfect addition to any underwater setting DIMENSIONS: 5L x 4W x 5.5H. SAFE FOR YOUR TANK: made for tanks 10 gallons in size or larger, the Penn Plax Cambodian Rock Face is safe for freshwater and saltwater / marine tanks.