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 sterilization OK Set of 2 ●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 sterilization OK Set of 2 ●Product Information● Product Name/Wakewake Freezing Block Tray R 50 Size/12.7 x 17.5 x 3.4H (cm) Capacity/50mL x 6 blocks Material/Polypropylene Microwave defrosting OK Dishwasher safe Boiling and chemical solution sterilization OK Set of 2