Based on this product's specifications, here are some alternatives and similar models
Tablet case quer model KOM0431 white — dedicated cover for Samsung Galaxy Tab P3100
Summary description:
Dedicated tablet case quer KOM0431 in white designed for the Samsung Galaxy Tab P3100. This protective cover fits the device model precisely, providing edge and back protection while allowing access to ports, buttons and camera. Suitable for everyday protection, safe storage and transport of the tablet at home, at work or on the go.