The integrated reflectors offer safety in the dark . The stable base plate ensures greater stability and protection from moisture . The rain cover supplied, which encloses the entire backpack , protects against moisture and dirt. The back section is ergonomically shaped and has padding made of breathable mesh material. The accessories are also made of the best materials. The pencil cases, for example, are fully equipped with branded pens from Lyra . A real highlight can be found on the lid: plastic applications that you can touch. This is a 3-D school companion for everyone who wants more.