Zipzicle Ice Pop Molds, Clear, 12-Pack Safety by design; Zipzicle brand quality in a 12-pack Strong durable BPA-free material to prevent worries about tears; bites; and health. Reinforced side seals to prevent splitting when freezing Great for parties; teams; families; and group activities; Easy to make large batches Just fill; zip closed; and freeze; No need for knots; clips; or sticks Perfect for cocktail inspired pops containing alcohol; LDPE will get sticky and contents weep through material