Shinwa Sokutei Bath Thermometer B-10 Rose Purple I used this before bathing, so it has only been in clean water. I've used it about 10 times. The aroma felt is not included. The case is not included. If you need the case, it's an additional 300 yen. This is a used item. Please refrain from purchasing if you are sensitive to used items. Measurement Range: 10~50°C Accuracy: ±2°C ●Features● A cute thermometer to make bath time fun. Antibacterial agent is added to the main body to keep it clean. It comes with a case that can be used for aroma oils, allowing you to enjoy aromatherapy in the bath. (Aroma oils are not included.) ●Specifications● Accuracy: ±2°C Measurement Range: 10～50°C Graduation: 2°C Body Size: 96 x 91 x 26mm Product Weight: 48g Material: Body: Polypropylene resin (with antibacterial agent)