We tested this wine glass with a hammer! We guarantee it will stand up to your children & houseguests. You can finally sit back & relax without resorting to ugly solo cups for your party. Crystal clear material looks just like glass & your guests will appreciate the improved atmosphere at your parties. (See images above) Elegant design & unbreakable material make this glass a great fit for both adult gatherings & kid sleepovers. As a bonus, never waste money on solo cups or new wine glasses ever again. Buy your unbreakable wine glasses today!