Features: Perfectly Compatibility: Specifically for 77D and 800D usb port cover , ensuring a seamlessly fit with the camera body for clear and user-friendly operating. Durability: Crafted from highly quality plastic offering excellent wear resistance and impacts protections, effectively safeguarding the USB port. Dust and Water Resistance: Effectively blocks dust and moisture ingress, protecting internal electronic components and extending the camera's service life. Simple Installation: Effortlessly replacement not requires specialised tool or skills, enabling users to complete installation quickly. Cost-Effective: ideal alternative to original covers, offering reasonable pricing and excellent value for money. Specifications: Component：Rubber Size about 7x6cm/2.75x2.36in for 77D and 800D For USB port and other function keys Package Includes: 1PC Dust cover note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.