****Now Lids are available! Two lids options for your choice*** * Partial coverage lid - it comes with three acrylic clips. With it covered on top, there is still little space left to put on a hang-on filter or hoses. * Full coverage lid - No clips included as it just simply lay down on the top of aquarium, no space left for filters as it is designed to keep a 100% humid inside. Good for terrariums or paludariums. * Partial coverage lid size - 18cm X 15cm = 7.1 in X 5.9 in * Full coverage lid size - 20cm X 20cm = 7.8 in X 7.8 in This Little Tall Nano low-iron rimless fish tank provides you a good opportunity to create an unique and stylish aquarium on your desktop.. It is built with low-iron glass, also known as extra-clear glass, offering a more transparent visual effect than regular glass tank. L x W x H = 20X20X20 cm (7.8 X 7.8 X 7.8 in)  Glass thickness - 5mm; Volume - 2.1Gallon; Model- EC20. It fits 5W/7W Nano LED with bamboo board. A White Leveling Mat is Included