OH we lost ours . within a few weeks of arriving. Useless, useless, useless foreign mother. It was the first of my many sins when Son number 1 was in Kindergarten. After much grovelling, the school eventually provided another (old one from a previous year so son had a different colour which he thought was cool and subversive but I always suspect they did to prove a point) ...
You Are A Very Bad Parent.
Repeat ad nauseum ....
PS and just think, could be worse, at the same time as losing his stripey thing, we lost his Z'Nuni (snack) bag too ... Bad Bad Bad

Mother.