The Diggity Kids Seat Belt Cover for your child's shoulder and/or lap belt, our seat. belt pads are comfortable, durable and light weight. The Diggity Kids Seat Belt Cover prevents. chafing and keep kids happy to be seat belted safely. Made of soft micro-suede, these. seat belt pads are machine washable. Coordinate color with The Keester and The Diggity. Kids Neck Pillow. Buy separately or with The Diggity Kids Comfort Travel System.