The Oppo F21 plastic silicon (TPU) cover is a flexible, shock-absorbent case that features a smooth exterior and a soft, scratch-resistant microfiber interior. It provides a comfortable, non-slip grip, raised edges to protect the camera and screen, and full, precise cutouts for easy port and button access.

A plastic silicone cover for the Oppo F21 Pro (or F21s Pro) typically measures roughly 16.3 x 7.2 x 0.8 cm.