Easy to take out one by one, convenient for making ahead. From the early stages of baby food (5-6 months) ●Product Information● Product Name/ Wakewake Freezing Block Tray R 15 Size/ 12.7 x 17.5 x 2.8H (cm) Capacity/ 15mL x 12 blocks Material/ Polypropylene Microwave defrosting OK Dishwasher safe Boiling, chemical solution, and microwave disinfection OK 2 sets included ●Product Information● Product Name/ Wakewake Freezing Block Tray R 25 Size/ 12.7 x 17.5 x 2.7H (cm) Capacity/ 25mL x 8 blocks Material/ Polypropylene Microwave defrosting OK Dishwasher safe Boiling, chemical solution, and microwave disinfection OK 2 sets included