Features:- Ideal for all of those who wish to choose their own content - Bright colour increases the visibility in a bad weather or inside the backpack - Big attachment loop - Insert compartments in different sizes - Zipped big mesh pocket - Inside buckle with the emergency whistle - High-durable material for the use in demanding conditionsSpecifications:- Material: polyamid, polyester- Dimension: 22 x 18 x 5 cm- Weight: 189 g