I found a kitchen utensil called "Silicone Mat" at the 100-yen shop "Daiso". I tried the usability.
Silicone mat is a sheet made of silicone rubber. There were two types of stores I went to, 24.7 cm x 21 cm and 38 cm x 27.5 cm.
It has a moderate thickness and heat resistance, and can be used in various ways. You can use it as a cooking mat to stretch cookie dough and bread dough. You can use it as a pot or a drop lid. You can put it on the lid of the bottle to make it easier to grip. You can lay it under a cutting board to prevent it from slipping. When not in use, it can be rolled up and stored, and can be quickly taken out when needed.
Daiso "Silicone Mat" is useful if you have one. Especially for those who make sweets, I think it would be useful to have something. If you ever go to Daiso, why not check out the kitchenware corner. The price (tax included) is 110 yen for the "24.7 cm x 21 cm" size and 220 yen for the 38 cm x 27.5 cm size.
Please also check out the 100-level convenient items " Silicon Kitchen Mat " and " Cutting Board Sheet with Measure".