400D waterproof material, the main part use double thick -Oxford fabric material, the edge of bag was sewn repeatedly several time and it is very firm. OVER SIZE CAPACITY: the tool bag contains 9 different size pocket. For the biggest pocket part, it contains small stripe to fix small tools inside. There is also one nice hook outside of the bag which could help you to hook some tools with handle DOUBLE CARRYING SYSTEM: The Tool Bag has an removable and adjustable belt and you can adjust the size as needed. It suits for most people with this adjustable feature. What's more, there is a anti-lost belt fixing the small tool accessories. MULTIPLE FUNCTION: Perfect for electrical, electrician, construction, contractor, carpenters, framers, plumbing. COMPACT & LIGHTWEIGHT: Approx Dimension: 26cm x 6cm x 17.5cm / 10.24" x 2.36" x 6.89" ( H x W x L ) Note:manual measurement with 1-2 cm error. OVER SIZE CAPACITY: the tool bag contains 9 different size pocket. For the biggest pocket part, it contains small stripe to fix small tools inside. There is also one nice hook outside of the bag which could help you to hook some tools with handle