The compact X-Cup is perfect for smaller hands. It is constructed from a flexible, European standard compliant, food grade silicone. A rigid ring within the rim keeps it sturdy and easy to drink out of but still allows the mug to be collapsed to a disk that will fit in the palm of your hand! 

Features:
Food grade flexible silicone
BPA free
Calibrated as a measuring cup 

Specifications:
Volume: 250ml / Weight: 45g