Paypal payments also accepted. (Send to glasscages@gmail.com) Large custom glass aquariums(in widths of 24"-30"-36"-48" or almost any size available for large tanks) can be ordered. Call for quote. If a product doesn't have a "Customize/Buy" button right now you can still call us to get more information or to order it. Overflows and holes are available for reef ready tanks in all sizes. Each hole is $25. Overflows cost between $20-$35.