The Topeak Elementa Gearbag is an ultra compact seat bag that can be conveniently hidden under your saddle. It features a secure hook and loop fastening strap for easy attachment. The Pro version of this gearbag includes a hidden tool compartment, perfect for organizing your tools and personal items. It even comes with a ratchet tool and 10 bits, so you'll never forget your tools when you go out cycling. This gearbag has a capacity of 0.3L and comes with two compartments. It is compatible with up to 700 x 50c inner tubes and includes two tyre levers. The bag is made from durable 1000D Polyester material, which is water repellent and stain resistant. It also features an aluminum ring for added strength. The Elementa Gearbag is attached to your bike using a hook and loop fastening strap, utilizing the Rail Wing System. The bag also has a hidden tool compartment, allowing you to keep your tools separate from your personal items. This gearbag measures 11.4 x 7 x 5cm and weighs 163g. It's the perfect accessory for any cyclist looking for a compact and organized solution for carrying their essentials.