OPP Bags B4 No Tape 270mm x 380mm 200 sheets 30 microns (0.03mm) Transparent Made in Japan #MerimeriOPPbags 100-sheet bundles are gently folded in half, then placed in two transparent bags and put into a Kakufuto 2 envelope. They will be shipped via Yu-Packet Post. Please note that the corners of the envelope may be bent or wrinkled during delivery. Thank you for your understanding. Shipping may not be available on Saturdays, Sundays, national holidays, year-end and New Year holidays, Obon period, and Golden Week. Thank you for your understanding. Bags 270 x 380