Setting up a new aquarium or want to protect your current one? This simple foam mat is a small upgrade that makes a big difference. You place it under your fish tank before you fill it up. It acts as a cushion, absorbing minor imperfections on your stand or furniture to prevent stress cracks in the glass. It also helps dampen vibrations and noise from filters and pumps. The black foam is about 0.6 cm thick and is waterproof and non-toxic, so it's completely safe for your fish. One of the best features? You can easily cut it with scissors to perfectly fit the exact dimensions of your tank base. It provides a stable, anti-slip surface and adds a bit of thermal insulation too. It's a cheap and easy way to give your aquatic setup a more professional and protected foundation.