Material: lightweight aluminum alloy 6061 Size: outer:full length 9.3cm diameter 3cm inner (available space): length 7.8cm diameter 2.4cm Package include: 1 * Box Presented accessories are: 1, matchbox 2, a spare waterproof O ring, a key ring 3, 1 sets of sewing kit 4, cotton 5,a swab nail file Notes: 1. Please allow 1-2CM differs due to manual measurement. 2. Real color may slightly different from pictures due to computer screen's resolution, brightness, contrast etc. Thanks for your understanding. ✔Satisfaction Guarantee - Your satisfaction is our highest priority. If you have any questions or concerns, please let us know without hesitation and and we will either correct the situation or provide a refund/replacement immediately. ✔Survival Waterproof Pill / Match Case Box Container Outdoor Camping Hiking Emergency Tool Camping Equipment ✔Superior materials, superior craftsmanship, and strict manufacturing methods ensure the high quality of this product ✔Excellent performance, this Oaktree product functions well and works beautifully, I'm sure it will meet your demands perfectly ✔Perfect size, totally user-oriented, safe, and very convenient, this Oaktree Item designed truly for your considerations