Main material for Mask: 100% silk;Ingredients for Lavender pads : Lavender dried flowers; Ingredients for Cooling pads: TPU + gel.Product Content: Your MAZZZK Eye Mask effectively blocks light, one of the biggest distractions preventing you from a deep and restful sleep. Every eye mask is made of real silk . This helps retain moisture and boosts the metabolism of your skin–keeping it smooth and youthful-looking. With a focus on health and environmental protection, we designed this product with natural materials for optimal comfort. The mask is made of real silk. A better, more healthy world starts with you! HOW TO USE? These Lavender inserts and Cooling pads are made for use with your MAZZZK Eye Mask. Put the inserts or cooling pads into the mask when ready to use. Refrigerate for 40-60 minutes before placing them into the mask. For best results, store the in their bag when not in use. The cooing pads are recyclable.