Leakguard trainers. Day & night. Feel 'n learn liner. Feel 'n learn liner for daytime training + Leakguard trainers for night time protection = train without the mess, day and night. If you notice gel-like material on your baby's skin, don't be alarmed. This comes from the pant padding and can be easily removed by wiping your baby's skin with a soft, dry cloth. Made in USA.