Power input: DC 5V 1A, Material: Pure natural silk, Product model: HD-TXWYZ01, Washing method: <30°C hand wash, Product size: 108 X 234mm tightness adjustable, Product name: Xiaoda Hot Compress Care Eye Mask, Heating temperature: 20-45°C. Price history, coupons and price alert are available on this page. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($23.55): BGHealth06
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGXDSM1, vipupgrade8, BGBFHN3, bgshOOp10, BGHB20, bGhOnEy10, BgoFErTaSchInA10, BGSD56235, BgcLuBofErtA10, BGAFF10OFF, 13f142, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for XIAODA Heating Compress Eye Mask? There we go. The lowest price was: $9.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).