Thank you for viewing. mont-bell Clima Air Muffler Ivory 13 x 170cm There are no noticeable stains. The slim width is recommended for those who don't want a bulky neck. It's warm. mont-bell A brand known for high-quality outdoor goods. This muffler combines that reliability and durability. I've only used it a few times, but thank you for considering it if you understand that it is a used item. ^ ^