Bottle with a nozzle generally available PVC or POF shrink film. If you have an automatic L-sealer, we recommend that you use the fold (sectional side) crosslinked POF shrink film packaging. If you're doing a film or by hot water shrink tunnel through the membrane, we recommend using an arc or partial Knife PVC shrink bags; if you are using a dedicated hair dryer drum, we recommend that you use an arc or partial Knife POF shrink bags. Yu Sheng combined company introduced a professional production of automatic bag-shaped or curved POF shrink bags, make your product packaged more closely, enhance aesthetics, more attractive.