Create a Snug Fitting Diaper WITHOUT PINS! The best Cloth Diaper Fastener in the world! The Snappi® Diaper Fastener revolutionized cloth diapering over 25 years ago! This all-in-one diaper fastener offers a practical and reliable way to fasten a cloth diaper. It is the cloth diapering necessity that â??PULLS IT ALL TOGETHER.â?â?¢ NO LATEX NO SILICONE CPSIA COMPLIANT Snappi®s are made from a stretchable non-toxic material. Their T-shaped stretchable arms have grips on each end, which hook into the diaper fabric ensuring a snug-fitting diaper with enough natural movement for babyâ??s comfort. A cover is essential over the Snappi® fastener to prevent it from catching onto something and coming undone.