A quick and easy option to outfit your boat, cooler, and more the BKK EVA Adhesive Fish Ruler is a convenient way to measure your catch. Its EVA foam constructed of 1/4in closed foam material with brushed texture and has an aggressive 3M pressure sensitive adhesive on the back. Routed numbers are easy to seed for rough measurement. Its EVA material is non-absorbent and can be easily cleaned with a rag to keep everything looking clean.