The CE-Backprotector YM Small Velcro is only compatible with the following models:
– Airbag Vest Kiddoozz
– Airbag Vest Evolution – size S

The CE-backprotector YM Velcro Cover is a standard size and compatible with all other airbag vest models (except the Flexfit model, which does not have Velcro on the inside).
Its dimensions are: 39 cm high and 25.5 cm wide.