The lottie 4 seat modular sofa is a complete sofa comprised of modular units the sofa has foam and z sprung seats and foam and fibre filled cushions which will provide you with sumptuous comfort the fabric upholstery is 100 polyester which is soft to the touch each module clips into place easily making it easy to move around and change the size or style of your sofa with ease the lottie units come in a range of colours so you can pick the best fit for your home