URSA STRAPS sticky circles, premiumURSA Premium Sticky Circles are designed for secure, discreet mic placement under clothing. At just 0. 5mm thin, these padded stickies use premium foam to create a soft barrier between lavalier microphones and fabric, helping to reduce clothing rustle and unwanted noise. Each 24mm pre cut circle includes a small peel off tab for quick and easy use on set. The hypoallergenic adhesive is safe for skin and clothing, leaving no residue when removed.