Acheté car le concept complète bien lutilisation des élastiques et permet de réaliser des mouvement supplémentaires. Only bummer is that the scents from this brand of oils dont last very long. I also think these slippers help with my toe nails not breaking as much. Why? It?s size, it?s battery, it?s charger, and the fact you have to constantly change which attachments you use depending what you put in it. noise cancelling is being generous, I could definitely still hear things even at full volume, and at full volume those around me could hear my music. Ten minutes, 47 seconds later, it was printing from my desktop, laptop, phone and tablet. So comfy! Very happy and I?m so glad I got it now! It is sturdy and keeps the bikes from falling over. Really stylish and right on point for summer 2019.