The UltraTech 2102 (37BSBR) is a 90 degree polyurethane corner for Ultra Spill Berms. The 37BSBR is used to shape a spill berm into any shape or configuration necessary. Ultra Spill Berm corners are made of non-absorbing polyurethane and can be easily cleaned for repeated use. The Cary Company also offers Connectors (37BSBC) for use with the 37BSBR. Corners and connectors sold separately.