The label on a reptile's travel box is written for the worst ten minutes of the journey: the car is on the hard shoulder, you are shaken or being helped elsewhere, and the person lifting the box knows nothing about what is inside it. Everything that person needs has to be readable at arm's length, in the rain, in seconds. That test — could a stranger keep this animal safe and reach me, using only this label — is the standard to write to.
The lines that must be there
First, in the largest letters: LIVE ANIMAL, THIS SIDE UP, and DO NOT OPEN. Then the species in ordinary words — 'Corn snake, harmless' or 'Bearded dragon' — because a scientific name means nothing to a paramedic or a kind passer-by, while a plain one tells them instantly what they are dealing with. Your name and mobile number come next, then a second contact who knows the animal and can talk or collect if you cannot: a partner, a fellow keeper, the person you were travelling to. Add the destination address, so a box separated from you can be carried the right way, and the words KEEP WARM or KEEP COOL with the rough range in plain figures — the difference between a well-meaning rescuer putting the box in a sunny cab and putting it in the shade is the whole ballgame for a reptile.
The second tier: vet, warnings and delay care
Below the essentials, add the reptile vet's name and number and your destination vet if you are moving house, because an injured or chilled animal may need help before you are in a state to explain anything. Honest handling warnings protect everyone: 'Bites if grabbed', 'Strong — two hands', 'Do not tap glass' — written in capitals, without drama. Then one short line for the delay that is not an emergency: if the box is stuck somewhere for hours, what does a helper do? 'No food needed for a day' prevents panic-feeding, while 'Offer water in a shallow lid if delayed overnight' may genuinely help a lizard. Keep it to one or two lines — a label that reads like a manual will not be read at all.
Making the label survive the journey
Print or write the label twice, once on the lid and once on a long side, inside a waterproof pouch or covered in clear tape, because the box that needs its label most is the one that has been rained on, dropped in a puddle or slid across a wet car floor. Photograph the finished box before you leave, so the information exists on your phone too. And make the label redundant in the best way: tape a card with the same details inside the lid, where anyone who legitimately opens the box will find it. A code on the box closes the last gap — with Verified QR ID Pet Profiles in KinsLe, the finder does not even need to type a number: they scan the reptile's unique QR ID, land on its profile, and can reach you through it even if the paper label is soaked beyond reading.