Each toothbrush head with Protecting Cover and Individually Sealed, It could be nice for Healthy Teeth Brushing and Hygienic Storage.. choose our toothbrush heads in your electric toothbrush?1. Healthy and Safety: Food Grade Material, Multiple Certification(CE/RoHS/FDA/LFGB...);2. Good Quality with Reasonable Price: Each brush head will last use for 2-3 months, larger than others;3. Perfect Compatible with MIJIA T300/T500 Sonic Toothbrush4. More Choice for You Choose: Different gives may be highly event your desire and make you satisfied;Note: Non-original brush head, general aim brush head.