Vacuum bag S-Wrap 180x280mm, thickness 70μ, A7-1828, 100 sheets. * Freezing to -40°C and boiling for 30 minutes at 100°C are possible. * No toxic gases are produced when incinerated. * Excellent sealing strength, and a versatile type with excellent oil resistance and heat resistance. * Composition: Nylon/PE/LL Made by Star Plastic Co. Manufacturer's HP: https://starplastic.co.jp/lineup/swrap-al/ Reference material (Amazon): https://www.amazon.co.jp/%E3%82%A8%E3%82%B9%E3%83%A9%E3%83%83%E3%83%97-180%C3%97280mm-%E5%8E%9A70%CE%BC-2000%E6%9E%9A-A7-1828/dp/B0CNJY7H6B Thank you for viewing. Currently, I am not considering a discount, so please understand.