Size (approx.): [Multi-case] W12 x H18cm, Strap length 110cm [max] A popular brand, Agnes b., has released an official brand book. The multi-case has an outer pocket on the back for smartphones, and can hold cards, coins, passports, and more inside. It's great for travel, and can also be used in the office for stationery or ID cards, or as a pouch.