Easy To Read, Multi-use Display for Lagers/Ales, Wines, Kombucha & Meads/Ciders Flexible & Waterproof ; Dimensions: 8.00 x 1.0 inch (Pack of 2 or 4) Temperature Measuring Range: 42~88 Degree F Adhesive on the back, just peel off the tape and attach to the outside surface, One time use Highly Accurate Color Changing Temperature Readings 2 or 4 Pack - Dimensions: 8.00 x 1.0 inch / Measuring range: (42~88 Degree F)

Adhesive on the back, just peel off the tape and attach to the outside surface, One time use only, Washable. Once removed they come apart and cannot be reused

Color Changing Highly Accurate Temperature Readings.