Dissolvable labels easily disintegrate and wash away in water in seconds for easy cleaning. No soaking is required. They are safe to put through a dishwasher and to use in freezers. Suggested uses include short-term and long-term food storage and other temporary identification needs. Safe to use on plastic, metal, glass and wood, these rectangular, handwritten labels are FDA-compliant if used with food containers. Each self-adhesive label measures 2" x 4".