Mailer Envelopes, Material Polyethylene, Mailer Type Padded, Closure Style Self Sealing, Color White, Usable WxL 14 1/2 in x 19 in, Usable Width 14 1/2 in, Usable Length 19 in, Outside WxL 14 1/2 in x 19 in, Outside Width 14 1/2 in, Outside Length 19...