● Designed with a mouth shape, this excellent product uses your own body temperature to relieve cold feet! Best of all, it's an eco-friendly product that requires no electricity! ◆ Size ☛ Length 40cm Width 40cm Height 12cm ※ Please allow for some measurement error. How about using it to combat air conditioning in the summer? Recommended for those who sit at work, and those with swollen legs or cold sensitivity. ■ Scheduled to be shipped in a 60 size box!