The Briljant Baby car seat covers are made from interlock or soft terry cloth, depending on the model. Interlock is a nice thick 100% cotton fabric, ideal for car seat covers which allows the cover to have diverse prints on it. Terry cloth is a very suitable fabric for a car seat cover as it absorbs heat excellently and keeps your baby cool and dry and is onl available in solid colors. The covers ensure that your car seat does not get dirty, so the seat can last longer.Please check the following informaiton regarding the fitting of the cover: The 0+ cover fits on the Maxi-Cosi; the Citi, Cabriofix, Pebble, Safety 1st and Mimas. The 1+ back rest cover fits on the Maxi Cosi Tobi car seat group 1. The 1+ cover fits on Maxi-Cosi and Priori SPS car seats. The 2/3 + cover fits on the Maxi-Cosi; the Rodi SPS, Rodi XP and Rodi Air-Protect; Nania; de Racer and I-max Luxe car seats. The 2/3 + Rodifix cover fits on the Maxi Cosi Rodifix car seat. The Axiss cover fits on the Maxi Cosi Axiss car seat group 1.