For the love of her pet, these adjustable, anodised steel bracelets would suit from perhaps age 2 - teens.  In rainbow colours, bracelet features a round disc, with the cut out word "love" with a paw print for the "o."

Is anodised steel hypoallergenic?  "Titanium is anodized over the implant grade surgical steel jewellery giving it the same qualities as Titanium jewellery (hypoallergenic) as well as giving the jewellery an amazing coating of bright and bold colour."