These black snap top caps are ideal for dispensing liquids like honey, syrup and salad dressings. They have a 38/400 neck finish, are drip-resistant and the universal Lift 'n' Peel™ liner provides a tamper evident seal when applied with an induction sealing machine. This piece of equipment is ideal for laboratory applications, manual production, off-line testing, and startup operations. Simply plug the system into a standard wall outlet, set the power level and timer, place the sealing head on the container's cap and press the trigger for a tamper evident seal!