Our frozen reptile foods are farm bred in ethical conditions and delivered straight to your door, fast and frozen. Medium mice are suitable for smaller snakes and very large lizards such as Monitors.. As a general rule for snakes you should feed animals which are about the same width as the fattest part of the snake.. NOTE: We only ship frozen foods Mon to Thur and they are ent via overnight courier and need signing for, order before 12pm for next day delivery.WE CAN ONLY SEND TO UK MAINLAND & SCOTTISH HIGHLANDS