Self Locking Boxes protect the product and secure them from falling out. These boxes are also known as nap boxes. Having made up of first-rate raw material with the help of pioneering in-house tools and techniques, these boxes ensure longevity and optimum performance. Self Locking Boxes has got high dimensional stability and resilience, therefore, these are sure to last for an extended period of time. Self Locking Boxes do not degrade in quality or become inferior in the long run.