Material: Food Grade BPA-Free PE Material, safe to use.Making your ice cube 100% Pure and Healthy Design: Self-sealing valve , liquid won’t leak from the bag in the freezer, prevent ice cube from absorbing peculiar smell or freezer odors Versatile: It could be used for a normal ice cube, juice ice cube, milk ice cube and kinds of ice cube you want. You will never taste like your icky freezer Easy to use: You just hold the bag underwater, fill it up, tie it shut and then freeze. When you are pouring juice, we recommend that you use it with a silicone funnel Package: Include 100 pcs disposable Ice Cube Bags,24 cubes per piece,you will make 2400 ice clubes in one time Specification: Material: PE Size: 12.04 * 7.25 inch / 31.5 * 18.5 cm Color: Transparent How to use: 1) Fill the bag slowly & gently with a thin stream of water 2) Once full press middle of the filling neck firmly together,The neck of the bag hands or arrows squeezing, pinching, closing, and sealing the bag. Bag must be shown to be full of water 3) Turn the bag upside down and it will seal automatically (show bag full of water and turned 180 degrees up side down with arrows) 4) Place in the freezer until frozen 5) Push the ice cubes out of the bag as required Package includes: 100 x Ice Making Bag 1 x Silicone funnels Tips: After the ice bag is filled with water, you need to turn the bag back up to seal it automatically, otherwise it will leak