Selected Materials This face down pillow is made of natural high-quality PP cotton and velvet fabric, which is skin-friendly and soft, and very comfortable to use. Can Put Arm in This soft nap pillow can be put in the hand, it is hollow in design, so as not to numb the arm during the nap, and sleep sweeter. Avoid Headaches This desk nap pillow can avoid head and spine soreness, and it is designed to increase the leaning area, which can help maintain a good sleeping posture. Center Hole Ventilation Design This nap pillow is designed with a central hole for ventilation and can also be hung on a chair and used as a cushion. Does Not Take Up Space This face down pillow for sleeping does not take up too much space, is small and light, very easy and portable, and also very easy to store. Specification: Material: Velvet Size: About 32*22*13cm/12.60*8.66*5.13in Inner core: High-quality PP cotton List: Nap pillow*1 Note: 1. Please allow 1-3 cm (0.4-1.18 \") difference due to manual measurement and slight color variation for different display settings. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.