250#0 6.5" X 10" (White) Bubble &ndash; Lite kraft (usable space 6.5" x 9.25") Kraft Bubble Mailers are constructed with high quality materials Heavy Duty Kraft Paper , Finned on all sides for the ultimate in protection, keeps contents secure and tamper -evident and easy to use Finned on Two sides for the ultimate impact protection Extra Tough Bubble Inside