Large 16” x 12” BHO Silicone Mat Vacuum Mat Wacky Mats are made from USP6 medical food grade silicone and are BPH free so you can feel good about turning any surface into a clean and safe non-stick work surface. Perfect for the stickiest concentrates with ZERO waste or mess.  Use Wacky Willy’s mats with all your extractions to avoid lost product and ensure maximum product yield. They will also help you protect your glass tools and reclaim lost oil.