The outer fabric is made of tarpaulin, a material offering excellent durability and stain resistance.Features a 4-layer structure that delivers superior cold-retention performance.Uses 20mm-thick foam insulation and a PEVA inner lining. The shock-absorbing insulation makes it ideal for storing items that require protection from impact, such as fish finders and other electronic devices. Equipped with water-resistant zippers to enhance airtightness. Includes a carabiner-style bottle opener featuring the ANGLERSCAMP logo. The front section utilizes a hook-and-loop fastener. Third-party testing has verified cold-retention performance of approximately 44 hours at an ambient temperature of 30°C and approximately 30 hours at 40°C.(Actual cold-retention time may vary depending on usage conditions). The ANGLERSCAMP logo features a reflective print. Insulation: 20mm-thick polyethylene foam