Mlotus Novelty Frog Back Cushion Lumbar Support Pillow Kids Bed Rest Reading Pillow Green S Fabric: Corduroy, Filler: PP cotton Size S: about 9.8"*19"(25*48cm), Size M: about 13.7"*23"(35*58cm), Perfect for kids size. Provides excellent back and head support while reading, watching TV or Working. Comfortable seat for individuals sitting in chairs, riding in cars, busses, and anywhere else you want. Excellent for improving your posture, reduce stress to the back and alleviates lower back pain.