All car freshener products work better when air flow is moving over the product. Generally speaking, the warmer the air & higher the flow, the stronger the scent release. Salted Caramel Hanging Car Diffuser Car Air Freshener in a delicious foody scent Brand new for 2018 High quality 7.5 ml glass car diffuser perfume bottle, complete with lid, cap & string. To use, simply unscrew the lid, remove the cap, secure the lid & tilt slightly to saturate the cork for a strong smelling car perfume. Be careful not to tip too rigorously as it may cause spillage. Once uncapped, keep diffuser upright. To revive the scent again slightly tip the bottle to saturate the cork. Also great for small spaces, bathrooms & cupboards/closets Long Lasting, approx 6 - 8 weeks Dimensions: Bottle : 2.5 cm x 2.5 cm x 2.5 cm Lid: 2.5 cm x 2.5 cm x 2 cm Environmentally Friendly & Safe for Vegans Hand blended & poured Lots of other scents, styles & candles in my shop www.etsy.com/uk/shop/LindsayLucasCandles Salted Caramel Car Diffuser, Air Freshener, Hanging Perfume, Freshener