This product is an aquarium thermometer sticker. It is made of solid materials. It is safe and durable. It can serve you for a long time without being easily damaged. It is an excellent aquarium thermometer sticker that can bring you more convenience, allowing you to have comfortable experience. Features -Color:Assorted Color -Material:Liquid crystal, paper -Size:7.30X4.10X0.10cm/2.87X1.61X0.04in -Size:8.30X5.00X0.10cm/3.26X1.97X0.04in -Size:6.00X4.70X0.10cm/2.36X1.85X0.04in -Size:9.00X6.00X0.10cm/3.54X2.36X0.04in -Size:6.00X5.00X0.10cm/2.36X1.97X0.04in -Size:7.00X6.70X0.10cm/2.75X2.63X0.04in -Size:7.00X6.30X0.10cm/2.75X2.48X0.04in -Size:6.60X5.50X0.10cm/2.59X2.16X0.04in -Size:9.50X5.00X0.10cm/3.73X1.97X0.04in - Aquarium fish tank thermometer, made of color changing liquid crystal material. - No need for batteries, unlike traditional temperature measurement device, making it safer to use at home. - The test is accurate, keeping the current temperature of water, and intuitively prompting the level of the water temperature. - indication of temperature allows the owner to set different temperatures for different fish. - Contains various styles of water temperature thermometers that can be used in many different bathtubs, great for aquarium use. Package list: 9 x aquarium thermometer stickers