Hot Kraft Bubble Mailers. Usable size 6 x 9 ( 6x9 ). Exterior size 6 x 10 ( 6x10 ). Pack of 20 yellow padded envelopes. Peel-N-Seal. Mailing & shipping & packaging & wrapping. Mfg# 6.5 x 9 / 6 1/2 x 9 for sale