KINOKUNIYA Zip Bags - Perfect for Food Storage [Quantity] 16 bags [Size] 16cm wide x 10cm long x 4cm gusset [Thickness] 0.06cm [Brand] KINOKUNIYA [Raw Material] Polyethylene [Cold Resistance] -30 degrees Celsius [Heat Resistance] 90 degrees Celsius [Handling Precautions] Do not place near fire. These will be shipped directly in a Yu-Packet Post Mini envelope. If you purchase multiple sets and they don't fit in a Yu-Packet Post Mini envelope, they will be shipped via Nekopos. Feel free to comment with any questions(^^) 2 sets for 699 yen Instant purchase is OK. Thank you. m(_ _)m