These hanging felt air fresheners from Make Market are a great way to refresh the atmosphere of your space. Made specially for use with sublimation inks, embellish these blanks with cheerful designs and your choice of scent.Details: Unfinished white 3" x 4" (7.6" x 10.1") air freshener size 12 packs (12 air fresheners per pack, 144 total air fresheners)Ribbon for hanging includedAdd your own fragrance (sold separately) Double side sublimation Felt and polyester ribbonSublimation Instructions:Pre-heat to 356°F (180°C) and press for 100 seconds. Do not exceed 400°F (204°C).Always reference manufacturer's instructions for recommended use, time and temperatures for each heating machine, as they could vary. Surface will be hot. Use protection when handling the finished product.