Highest quality acrylic - clearer, safer, and stronger than glass - limited lifetime warranty - optional colored back panel - perfect for freshwater or marine aquariums. The colors of your fish will come alive in these beautiful acrylic aquariums. Acrylic aquariums are brighter, safer, and stronger than glass. Not only will your fish look better, they'll be safer; acrylic won't shatter like glass and is a much better insulator to protect your fish from temperature fluctuations. All Clear-For-Life acrylic aquariums come with a Limited Lifetime warranty against leakage so you know your investment is protected. These aquariums are the perfect choice for freshwater, marine, reef or planted aquarium setups. Includes: Aquarium Used For: Freshwater Fish & Saltwater Fish Tank Size: 28 gallon Color: Sapphire Blue Shape: Hexagon Dimensions: 21"L x 18"W x 20"H Material: Acrylic Warranty: LimitedLifetime Size: 28 Gal.