Three-Dimensional Heel Design:The indoor floor non-slip thermal socks have a three-dimensional heel design, which is not easy to fall off during wearing and fits your feet tightly, keeping you warm all day long, making them the best choice for winter indoors.Indoor Floor Socks ----- Designed to fit between socks and slippers for added warmth and comfort, with a durable, soft and non-slip sole.Enjoy the amazing comfort of these floor socks after a long day of work.Non-Slip Silicone: ----- Each pair of hickened floor socks is designed with anti-slip adhesive dots underneath, which features good grip and non slip performance, reduce the risk of slipping and falling, effectively protecting you from slipping off, not easy to fall off, also absorbs noise.Scope of Application:These non slip thermal socks for many kinds of activities at home, such as yoga, ballet, gymnastics, dance training and some other indoor sports. It is the best gift for friends in winter.Unique V Design ----- The V-shaped opening weave design is cute as it doesn't strangle your ankles roviding you with a comfortable and stable foot feeling, and is still warm. Padded socks will keep your feet warm even on the coldest days!