Our Rimless Aquarium is 36 inches long, 18 inches wide, and 20 inches high that can carry up to 40 gallons. Our rimless aquarium is built to last with top and bottom plastic frames with scratch-resistant, and distortion-free glass. Our Distortion-free glass provides a lifetime of beauty and durability in the rimless aquarium. Our Silicone sealed top frame prevents glass bowing.