8 1/4 x 4 3/8 x 1 3/16" White Video Tape Mailers. Strong corrugated mailer features a unique air-cell design that protects videos from damage. Mailers are made from 200#/ECT-32-B flute white corrugated. One piece mailer folds together in seconds and has a locking tab for closure. No tape needed. Proudly made in the USA!