Install Profit Tools intermodal trucking software & automate your chassis tracking, container tracing, billing, EDI, POD, document imaging & mobile.
Keep track of sources for "free" shrinky dink materials and the shrinkage rate. Cut a spare piece off your #6 plastic salad container and trace the lines from a ruler on it. Write the name of the store you found the container. #6 plastic can be hard to find. Then shrink as usual to use it as a reference to help gauge what the final size of the shrunken pieces will be while working on projects.