Mini aromatherapy essential oil car diffuser vent clip, come with 3 natural new design patterns, let you enjoy the aroma you like when driving journey.</br>Product details:</br>Color: sliver </br> Locket size: 30mm in diameter(1.18 in) </br>Locket weight: 0.7 oz for each </br> Felt pad size: 22mm in diameter </br></br>Package Included:</br> 3 pcs car diffuser vent clip</br>36 refill pads (12 colors)</br> 3 small blue yarn bags </br> 1 black velvet bag </br> </br>Notes:</br> No essentiIal oil include.</br> How long will the smell last, it depends on how many essential oil drops you put on the felt pad and what kind of oils you use.</br> Please make sure you choose 22mm refill pads for this car diffuser when you need pad replacements.