100% PLASTIC
Small Size: 14 x 11 x 4,8 cm / 600 ml (4 Pieces)
Medium Size: 28,3 x 11 x 4,8 cm / 1170 ml (2 Pieces)
Large Size: 22,5 x 14 x 4,8 cm / 1200 (2 Pieces)
X Large Size: 28,5 x 22,5 x 4,8 cm / 2400 ml (1 Piece)
Dishwasher - safe 
Microwave - safe ( up to +95�) 
Freezer - safe ( down to -25�)