色翁荡息又大又硬又粗又视频软件,宝宝好涨水快流出来免费视频,江苏极品身材白嫩少妇自拍,风流少妇BBWBBW69视频,最美情侣中文字幕视频,亚洲字幕成人中文在线电影网,又色又爽又黄的裸体美女图片,人妻好紧好滑好湿好爽,2021国产麻豆剧果冻传媒影视,天天天天噜在线视频

Hydrochromic Ink

2020-09-28

With white color in appearance, will turn transparent when it is soaked, then recover white color without water. Basic information:Appearance color: whiteChange color: transparentStorage: It should be sealed in a shady place.Ink T...

Thermochromic pigment

2020-09-28

The pigments are composed of micro-capsules that change color reversibly. When the temperature is raised to a specified temperature the pigment goes from colored to colorless (or from one color to another color). The color returns...

Photochromic pigment

2020-09-28

The pigment changes color when exposed to the sunlight or UV light, and revert to the original color when removed from the light. Color conversion: from colorless to colored, from one color to another color. Basic information:Part...

Thermochromic pigment

2020-09-28

The pigments are composed of micro-capsules that change color reversibly. When the temperature is raised to a specified temperature the pigment goes from colored to colorless (or from one color to another color). The color returns...

Photochromic pigment

2020-09-28

The pigment changes color when exposed to the sunlight or UV light, and revert to the original color when removed from the light. Color conversion: from colorless to colored, from one color to another color. Basic information:Part...

Hydrochromic Ink

2020-09-28

With white color in appearance, will turn transparent when it is soaked, then recover white color without water. Basic information:Appearance color: whiteChange color: transparentStorage: It should be sealed in a shady place.Ink T...