Features Super Stack Crib Certified and tested Multiple sizes, shapes fit most applications Interlocking or aggressive non slip surface Non-conducting plastic resists oil and most chemicals Does not splinter like wood Carrying lanyards provided on all Made from 100% recycled plastic Rated up to 298,000 lbs 135,000 kg, depending upon configuration Can be use with Lincoln log mating or pyramid mating Size - 4 x 4 x 18 in. - SKU: MED53272

Features Super Stack Crib Certified and tested Multiple sizes, shapes fit most applications Interlocking or aggressive non slip surface Non-conducting plastic resists oil and most chemicals Does not splinter like wood Carrying lanyards provided on all Made from 100% recycled plastic Rated up to 298,000 lbs 135,000 kg, depending upon configuration Can be use with Lincoln log mating or pyramid mating Size - 4 x 4 x 18 in. - SKU: MED53272