ripple wall cup 1. heat preservation and heat insulation 2. eo-friendly 3. food grade paper ripple wall cup 1. Material: Single Wall Paper, paper is 240gsm, lined with PE18 gsm inner side, paper could be 240-280gsm, also could be specially use 300gsm and above2. Size: bottom diamater 5.5cm, top diamater 8cm, height 9cm , height of bottom ourter: 6.5mm, diameter edge of top :2.8mm3. Volumn: 8OZ ( ...