White film canisters are favored by many frogs for egg laying and tadpole deposition. These are just plain white film canisters that can be placed around your tank for frogs to breed in. The film cans with suction cups attached are commonly used on the sides or a tank or on the back if there is no background.
The picture is representative of the product you will receive. The price reflects ten film canisters with suction cups attached.