Perfectly sized 4" mouth/throat for scallops, clams and mussels NOT FOR LOBSTERS 2.5" one-way insert flap Sturdy handle D-ring for quick ease of attachments 18"x12" mess bag Heavy-duty PVC head with nylon #5 KYY bottom zipper for convenient release THIS PRODUCT IS NOT FOR LOBSTERS - ODER OUR "LOBSTER INN" Sturdy catch bag for Scallops and small shellfish, NOT FOR LOBSTERS. Black mesh bag with PVC head and riveted D-ring for conveient external attachment.