FUN & FUNCTIONAL: Freeze homemade food or breast-milk in convenient 1oz/30ml portions; when ready to use, simply "pop out" the food cube from the flexible base! SAFE: BPA-free, phthalate free, pvc free and latex free PERFECT: Clip-on lids and stackable for easy storage in the freezer or fridge CONVENEINT: Dishwasher safe, microwave safe, freezer safe and sterilizer safe! Suitable from 4m+