Designed with an orthodontic trim for cleaning around brackets. All Wisdom Products Are Latex Free - Those That Use A ''Rubber-Like'' Material Are Manufactured Using Totally Synthetic Tpe (Thermoplastic Elastomers).PLEASE NOTE: We aim to ship this item using the following listed delivery services (Royal Mail or EVRI). However we may send the item(s) via the alternative shipping method. This is due to time of dispatch, location or size of order.