**Product Specifications:**
**Brand:** (AsahiKASEI)
**Product Name:**
**Sizes:**
- Medium: 18CMÃ21CMÃ15 (bottom width 8CM, expands to 27CMÃ28CM)
- Large: 27CMÃ28CMÃ10 (bottom width 10CM, expands to 27CMÃ28CM)
**Origin:** Shandong Yantai
**Shelf Life:** 5 years
**Main Materials:** PE Polyethylene (Ethylene Copolymer), Ethylene and 1-Octene Polymer, Silver Ion Antibacterial Agent
**Features:**
- Stronger bacteriostasis
- Stronger seal
- High capacity
- Ag+ silver ion antibacterial technology
- Double sealing strips
- 99% antibacterial rate
**Safety Standards:** Complies with GB4806.7-2016 national food safety standards
**Usage Temperature:** -18°C to 100°C
**Usage Scenarios:** Fresh preservation, subpackaging, storage, picnic, etc.
**Additional Information:** Thick, sturdy, and durable; odorless; suitable for food packaging; easy-to-use zipper design; suitable for various occasions
**Brand Story:**
AsahiKASEI, a renowned Japanese chemical manufacturing company, owns the kitchenware brand (AsahiKASEI). Their products, including the , are known for their high quality and have been bestsellers in Japan for over 50 years. The brand entered the Chinese market in 2004 and has since gained recognition for its innovative products. In 2019, a researcher from AsahiKASEI was awarded the Nobel Prize in Chemistry.