Calailis MegaPack DIY Cluster Lashes, designed for creating customized eyelash extensions at home. The product includes 2-mixed styles of individual lash clusters in varying lengths and thicknesses, allowing for a natural or dramatic look. Here's what you should know about Calailis DIY cluster lashes: Application: These lashes are designed for DIY application, allowing users to create salon-style lash extensions at home. Adhesive: They require a separate lash adhesive for application. Calailis also offers their own lash glue, which is designed for a strong hold. Longevity: When applied correctly with a suitable adhesive, these lashes can last several days. For a longer hold, use a sealant. Features: The lashes are designed to be lightweight and comfortable, with a natural look.