Flaxseed Eye Pillow for Yoga, Sleep, meditation, which helps you relax and relieve stress. This Flax Seed Eye Pillows help with: Relief Dry Eyes, Dark Circles, Puffy Eyes, Headache, Migraine & Sinus Pain. UNSCENTED. MEASURMENTS: 9.5" x 4". 100% Cotton Fabric & Filled with Organic Flaxseeds. For Puffy eyes the Cold lasts about 20 minutes. Hot Therapy will relieve allergies, sinus pain, and dry eyes. Microwave for 20 to 25 seconds (depending on the power of the Microwave) to relieve Dry Eyes, or Sinus Pain.