Equilibrium Field Relief Midi Fly Mask Grey With 70% UV Screening, the Equilibrium Field Relief Midi Fly Mask gives your horse proper protection. With both sun and fly protection, the Midi Mask is perfect all year round. The Midi Fly Mask can be worn all day, but must be removed, and checked daily with regular cleaning to avoid any irritation. The Midi Field Relief with Ears is easy to fit and remove, with soft padding at both the brow and noseband area for additional comfort. The fastenings under the cheeks and at the poll are adjustable for a secure and comfortable fit. Read more… The Midi Fly Mask is designed to give maximum clearance to your horse's eyes and lashes. Fabric & Care Wash in warm water using a mild detergent. Rinse thoroughly. Do not tumble dry or dry over direct heat such as radiators. Do not wring or spin. Keep clean to avoid irritation.