Made of tubular polyethylene for more flexibility. An economical option for those interested in propolis collecting. Propolis traps are an excellent way to harvest clean propolis from your hive and add extra income. Replace your inner cover with the plastic propolis trap. The bees will fill the grooves of the trap with propolis. To remove simply put the trap inside a plastic bag and freeze overnight. Twist or bang the trap inside the bag to release the propolis. Our plastic traps will last for years of service. Compatible with 10 Frame equipment only. Measures 20” x 16 ¼” x 1/10” (50.80 cm x 41.28 cm x .254 cm). Additional Details ------------------------------ Product description: Made of tubular polyethylene for more flexibility. An economical option for those interested in propolis collecting. Propolis traps are an excellent way to harvest clean propolis from your hive and add extra income. Replace your inner cover with the plastic propolis trap. The bees will fill the grooves of the trap with propolis. To remove simply put the trap inside a plastic bag and freeze overnight. Twist or bang the trap inside the bag to release the propolis. Our plastic traps will last for years of service. Compatible with 10 Frame equipment only. Measures 20” x 16 ¼” x 1/10” (50.80 cm x 41.28 cm x .254 cm).