Features:1.Smart Sheep wool dryer balls shorten drying time, soften and fluff fabric, and reduce static;2.They help bed sheets stay untangled during the drying process as well as keep pet hair off of clothes;3.They will not unravel and will last for years;4.Using wool dryer balls saves your dryer from the residue left from liquid fabric softeners and dryer sheets;5.Lasts for a Thousand-Plus Loads, Replaces Dryer Sheets & Liquid Fabric Softeners, Saves Money. (A healthy, petroleum-free alternative to plastic dryer steamer balls). Specification:Material: WoolColor: WhiteDiameter: about 5cm/1.97" Package include: 5pcs wool dryer balls(Other Accessories are not included). Note:- Please allow 1-2CM differs due to manual measurement.- Due to the different display and different light, the picture may not reflect the actual color of the item.