Permaglo Gravel block-return-exchange Dual elastic gore trimmed with

Dual elastic gore trimmed with eye-catching suede makes for easy on/off and a flexible

Harness leather with longhorn buckles and bit ties

100% All Natural Himalayan Rock Salt

Support Lung/Soft Tissue

Permaglo Gravel block-return-exchange Dual elastic gore trimmed withEstes' has been America's number one manufacturer of aquarium aggregates for over forty years. Their products are non toxic and safe to use in aquariums, terrariums and planters. Estes Permaglo Gravel features bright colors on standard sized gravel. Permaglo gravels are colorfast, and completely non toxic for any aquatic environment including marine & terrarium tanks