Feature: 1. Compatible with Xiaomi Mijia Sonic Electric Toothbrush/T300/T500. 2. Each brush head undergoes UV sterilization treatment and uses vacuum packaging. 3. Food-contact grade materials. 4. 3PCS / PACK. Not include Electric Toothbrush. 5. Extra soft bristles for sensitive gums deliver a gentle, yet effective cleaning. Specification: 1.Description: Xiaomi Mijia Sensitive Replacement Toothbrush Head 3 Count with for Xiaomi Mijia T1300/T500 Sonic Electric Toothbrush Sensitive Gum Care 2.Features: Compatible with Xiaomi Mijia Sonic Electric Toothbrush/T300/T500. Each brush head undergoes UV sterilization treatment and uses vacuum packaging. Food-contact grade materials. Extra soft bristles for sensitive gums deliver a gentle, yet effective cleaning. 3PCS / PACK. Not include Electric Toothbrush. 3.Specifications: Item name: Xiaomi Mijia Sensitive Replacement Toothbrush Head Model: MBS301 Brush head size: 85mm(L)*24.5mm(Dia.) Net weight: 5.7g*3 4.Note: There is a little of difference according to manual measurement. The actual use may be slightly different depending on the specific situation. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. 5.Package List: 3*Xiaomi Mijia Sensitive Replacement Toothbrush Head Package List: 3*Xiaomi Mijia Sensitive Replacement Toothbrush Head