Quick answer

Silicone ice trays generally last longer than plastic ones because silicone resists cracking and stays flexible over time. Plastic trays are cheaper upfront but tend to become brittle and break after repeated use. For long-term durability, choose a well-made silicone tray like the Love Ice Tray from ZOKU.

Material durability: Silicone vs Plastic

Silicone ice trays are made from food-grade silicone rubber that can withstand temperatures from freezer cold to boiling hot without degrading. This flexibility means they won't crack when you twist or invert them to release ice. Plastic trays, on the other hand, are rigid and can become brittle over time, especially if you run them through the dishwasher or drop them on a hard surface. A plastic tray might last a year or two with careful handling, while a silicone tray can last several years with normal use.

The trade-off is that silicone trays are typically more expensive than plastic ones. However, if you factor in replacement costs, silicone often proves more economical in the long run. The Love Ice Tray, for example, is made of silicone and costs around $6.79, which is a small investment for years of use.

Ice release and cleaning

Silicone trays excel at ice release. Because the material is flexible, you can simply invert the tray and pop out the ice cubes without rinsing or twisting. This also means less wear and tear on the tray. Plastic trays often require you to twist or bang them against the counter, which can cause cracks over time. Some plastic trays have a lever mechanism to release ice, but those parts can break as well.

Cleaning is easier with silicone since it's non-stick and dishwasher-safe. Plastic trays can warp in the dishwasher, and food odors can linger in scratches. The Love Ice Tray's silicone construction makes it easy to clean and maintain, so you get better-tasting ice.

Ice shape and quality

Silicone molds can produce more intricate shapes because the material releases ice cleanly without damaging the design. The Love Ice Tray creates bold heart shapes that melt slower than regular ice, which is great for cocktails or special occasions. Plastic trays are usually limited to simple cube or rectangular shapes. If you want creative ice for parties or gifts, silicone is the clear winner.

However, plastic trays can produce clearer ice if you use filtered water and freeze slowly, because the rigid mold doesn't trap air bubbles as easily. For most home use, the difference is minor.

Trade-offs at a glance

  • Durability: Silicone stays flexible and resists cracking for years. Plastic becomes brittle and may crack within 1-2 years. Silicone wins for long-term use.
  • Ice release: Silicone: invert and pop. Plastic: twist, bang, or rinse. Silicone is gentler on the tray. Silicone is easier and extends tray life.
  • Cost: Plastic trays are cheaper upfront (often under $5). Silicone trays cost more ($6-$15) but last longer. Silicone is better value over time.
  • Shape variety: Silicone molds can create detailed shapes like hearts or unicorns. Plastic is mostly limited to cubes. Silicone offers more creative options.

Product facts

  • Love Ice Tray: Show the special people in your life how you feel with ZOKU's Love Ice Trays. Spice up date night, parties, Valentine’s Day or any occasion with Zoku’s expressive ice. This playful silicone ice mold comes in a set of four—perfect for your next get together. Once frozen, simply remove the ice by inverting the silicone—no rinsing required. The bold shapes are specifically designed to melt slower than regular ice… This silicone tray demonstrates the key advantage of silicone: easy release without rinsing or twisting, plus a fun shape that melts slower for better drinks.
  • Unicorn Ice Pop Mold: Bring a touch of enchantment to snack time with the ZOKU Unicorn Ice Pop Molds. These whimsical molds are thoughtfully designed to stack neatly and maximize freezer space—perfect for busy kitchens. Built-in side tabs make it easy to twist and release your frozen creations, while the spill-proof lid keeps juices contained and messes at bay. Ideal for kids, parties, or anyone who believes in a little magic with their… This silicone pop mold shows how silicone's flexibility and smart design features (stackable, side tabs) make it a durable, convenient choice for frozen treats.

Which one should you choose?

Best for

  • Home cooks who want durable, easy-to-use ice trays that last for years
  • People who enjoy making creative ice shapes for parties, gifts, or special occasions

Not for

  • Budget shoppers who need the cheapest option and don't mind replacing trays every year
  • Anyone who prefers perfectly clear ice cubes and doesn't mind a bit more effort to release them