NAKED CLUSTERS 421. Features: 421 style Naked Clusters create a flirty feel with everyday appeal. Patented cluster design on an invisible Invisiband, blends seamlessly with real lashes. Clusters are completely customizable for beautiful bespoke looks. 50 fully customizable clusters provide up to 8 applications in 4 lengths: 8 mm, 10 mm, 12 mm, 14 mm. Benefits: Placement: wear over the lash line or under lashes.. Length: fit your eye shape and stagger lengths from 8 mm to 14 mm. Perfect for intermediate to experienced users. Add fullness or fill in- Stack, layer, take your look from off-duty to on-the-town, from day to night. Spikey strands, fluffy volume, soft glam. Tailor placement of lashes and duration of wear to your needs. To wear on the lash line, use a strip lash glue. For underlash placement, pair with Seamless Bond & Seal for up to 10 days wear.. Seamless Glue & Seal for gentle, 1-day hold. (all glues are sold separately. :