Maglife Usa AMX80200 AMX Acrylic Condo Betta Block Aquarium with Sediment Removal System, Clear Condo Betta Block is the ultimate product to bring out the creativity in displaying Made of high quality acrylic, these unique structures are sturdy, secure and beautiful Each unit interlocks with another in a special way to recreate the tank in your own style Elegant block provides convenience of never having to remove the structure during maintenance Available in clear color; measures 12-inch length by 8-inch width by 6-inch height