THIGHBRUSH® "69% ER™ DIAMOND COLLECTION" - Satin Sleep Mask THIGHBRUSH® $5.00 One Size - $5.00 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. THIGHBRUSH® "69% ER™ DIAMOND COLLECTION" Satin Sleep Mask in Black with Whit Print. Two Elastic Straps. One Size.