Product Material: sponge + latex silk Size: S(42*9 cm) M(46*10 cm) L(50*11 cm) Thickness: 2cm Velcro Length: 11CM Color: black,skin color,blue Quantity: 1 piece Package Contents: 1pc * Neck Collar 1. Provide neck collar: it can effectively relieve neck pain. It keeps your neck from tipping over and keeps you balanced, providing protection and preventing pain 2. Lightweight and comfortable: Our neck brace is made of high-quality materials and exquisite workmanship, which is light in weight, relieves pain and will not affect your mobility 3. Breathable material: The sponge is covered with breathable knitted material, which keeps the neck cool and dry by providing good air circulation, ideal for use while sleeping 4. Very Durable: Durable and durable. It can be easily taken anywhere. Also, daily use will not cause wear and tear as it is high quality and durable 5. Fits most necks: Makes you look stylish but low-key everywhere, suitable for men, women, teens, old people, boys, girls