Features and Specifications:

1. Material:

   • Made of rebound memory foam, which is known for its excellent extensibility and elastic recovery.
   • The material is resistant to mildew and is smooth to the touch without any peculiar smell.

2. One-piece Nose Wing:

   • Features a newly upgraded one-piece nose wing design for a high shading rate, ensuring complete darkness for better sleep.

3. Flexible and Durable:

   • Light and breathable, ensuring comfort around the head.
   • The shoulder straps are highly elastic and designed not to get caught in the hair.
   • Provides a comfortable space for the ears, aiding in a quicker transition to sleep.

4. Unique Contouring Features:

   • Includes a three-dimensional groove design that puts no pressure on the eyes.
   • Allows for natural eye movements such as blinking and REM sleep without disturbance.

5. 3D Design:

   • A special mesh design is included for the eye area, providing effective space and ventilation.
   • This design ensures that the eyes do not feel pressured or stuffy.

6. Sun Buckle Elastic Band:

   • Allows for adjustable length, making it suitable for various head circumferences for a personalized fit.

7. Care Instructions:

   • The product should be hand washed and not machine washed.
   • It should not be ironed or exposed to direct sunlight.
   • After washing, it should be laid flat to dry.

Product Specification:

• Type: 3D Blackout Sleep Mask
• Quantity: 1
• Colour: Black
• Material: Rebound Memory Foam
• Size: 25x10.5cm (9.84x4.13in)

This sleep mask seems to be a thoughtfully designed product aimed at providing a comfortable and effective solution for light blocking during sleep, making it an ideal choice for travelers, light sleepers, or those who desire a good night's rest in any environment.