One Full size Urban Decay 24/7 Glide-On Lip Pencil in Naked Nude Pink Get primed and ready for action with Urban Decay 24/7 Glide-On Lip Pencil, a long-lasting, waterproof liner that glides on smoothly to prime and define, for long-lasting color and clean lines. The formula stays put through everything (yes, everything) you do. When you use the liner to fill in your lips completely, it primes them for lipstick or gloss, grabbing onto color to help it last.