How big is that fish? With Measurett N Release Fish Measuring Cradle Tray, you'll know instantly, without subjecting your catch to rough handling. Just lay the fish in headfirst; the smooth polyurethane channel is marked in inches and fractions, for instant reference. Great for panfish, walleye, trout, and more. Molded in a single piece, 1/8" thick, for super durability in all seasons. Floats on the surface; just dunk to clean. Instantly measure your catch with minimal handling Smooth molded polyurethane construction Marked in inches and fractions Super durable and easy to clean