Check the tub with this Floating Thermometer Keep children and the elderly safe with these essential thermometers Includes novelty duck or whale topper Features handy 60cm string to tie to the side of your pool so your termometer bobs away happily No mercury is used in this product, instead utilises a non-toxic alcohol formula for measurement Made of durable ABS and PVC for maximum longevity The Floating Thermometer will make sure you don't get burned - save 50%