Based on this product's specifications, here are some alternatives and similar models
Picnic Blanket Lifesystems Surfboards — lightweight outdoor blanket for beach and park
Summary description:
Lifesystems Picnic Blanket Surfboards is an outdoor blanket designed for picnics, beach use and park outings. The compact blanket provides a protective ground cover for sitting or lying outdoors, helping keep users dry and clean. Its surfboard print identifies the model; it is suitable for family trips, day hikes and leisure time in green areas or on sand.