Silicone Preservative Lids 1) Eco-friendly, non-irritating,safe 2) 100% Food-grade silicone 3) Cert: SGS, ROHS, LFGB,FDA ... costFree of chargeOEM/ODMWelcomed Feature1.Made of 100% grade silicone.2.Softness, non-toxi, easy to clean,eco-friendly.3. Easy ... .W :10.8KGSShipping1.Sample order delivered by DHL/FEDEX/UPS/TNT, 2.Bulk order delivered by sea or by air transport. HK ...